Synedrex Review

Editor's Review: 4.1 / 5.0

What You Should Know

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Synedrex is a pill form diet supplement that is advertised to help dieters shed fat and water weight by controlling food cravings. This diet pill is also supposed to give dieters an endless supply of energy, block carbohydrates and help to curb food cravings.

Synedrex is manufactured and marketed by the company Metabolic Nutrition. Looking at the ingredients one can see that there are some fat burners on the list; both green tea and garcinia cambogia are well known fat burners that have been shown in some studies to produce results. There does seem to be some disparity among websites that claim this product does not work as well due to insufficient amounts of these fat burners.

List of Ingredients

Chromium, caffeine anhydrous, green tea extract, garcinia cambogia, l-tyrosine, l-carnitine, HPMC, cocoa extract, 5-HTP, and jojoba bean.

Product Features

Synedrex is a diet pill that is advertised to give energy, block carbohydrates, raise metabolism and help dieters to lose extra pounds. Dieters are instructed to take one or two capsules twice daily. On average the product carries a hefty price tag of $50 or more for a bottle of 90 capsules. If an individual two capsules twice daily as the label suggests the 90 capsules will last less than a month.

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Advantages

  • Synedrex does have added vitamins and minerals in addition to the fat burning ingredients.
  • The website has nutritional information and other diet related information as well as supplements.
  • The website also contains customer reviews and testimonials.

Disadvantages

  • Synedrex contains copious amounts of caffeine with over 350 mg per dose. This large amount has been known to cause serious jitters, agitation and dehydration when taken over time.
  • At over $50 per bottle on average, this is one of the more expensive diet pills on the market.
  • There is no real diet plan or exercise plan included, just the pills to be taken along with a health and fitness plan of the dieter’s choosing.
  • Once dieters stop taking the pills, there is the chance that weight could return since there was not a learned modification to eating and lifestyle habits.

Conclusion

Synedrex does have many customer reviews and seems to help some dieters to achieve results. It is suggested, as with all diet pills, that users follow a sensible eating and exercise plan to achieve the best results. Overall this looks to be an average diet pill with a very large amount of caffeine in addition to other energy substances. Synedrex is almost like an energy drink in pill form and as such will pose the risks of the same side effects such as agitation, jitters and insomnia as well as dehydration. While the product may provide results it is important to remember that there are much less expensive ways to get caffeine.

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178 User Reviews about Synedrex

  • 1
    kim parkerson

    can i take this with prescription meds? blood pressure medicine, cholesterol medicine?

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  • 2
    pl gry dla dzieci

    One other issue is that if you are in a scenario where you will not have a cosigner then you may genuinely wish to try to exhaust all of your educational funding options. You’ll find many grants and other grants that will present you with funding to aid with college expenses. Thanks alot : ) for the post.

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  • 3
    zaki kabbad

    I have 46 years old I do 2 hour sport per day
    But I have a little anemia can I take synedrex

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  • 4
    Chuck

    1. Apparently the majority of users missed the word: SUPPLEMENT. A person should ALREADY have excellent training protocols and a excellent eating/nutrition program. 2. If you are losing more than 2lbs weekly, it’s water, NOT FAT. 3. Taking a full dose the very first day is NOT recommended. It is recommended to work slowly to full dose. 4. The ab belt DOES NOT replace a gym session EVER. 4. List the ingredients of your “recommended” product please. The amounts used are not even clinical doses.

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  • 5
    Janet

    ive only been taking this for 2 days. Just the normal effects that any Energy pillbut to those of you saying that you feeling nauseated or really jittery just with any guy journey as a nutritionist key and I would recommend taking it with food. Something with Substance but still healthy. Favorite is a Egg whites and turkey bacon and a slice of whole toast I think that should help with nausea The misconception with dieters is the diet pill is supposed to be the main souce if their weight-loss. If used properly diet pill should only aid to your weight-loss not sure it should not be the main ingredients.nutrition and exercise should be the main reason so that it helps you keep the weight off when you stop taking the diet supplement

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  • 6
    HEIDY

    THE KEY TO TAKING SYNEDREX IS DRINKING IT WITH 2 BOTTLES OF WATER** IVE BEEN TAKING IT ALONG WITH HYDRAVAX FOR 6 DAYS AND IVE ALREADY LOST 5 LBS **** IT MAKES ME FEEL AWAKE, ALERT, AND FULL OF ENERGY* AND IVE HAD NO TROUBLE SLEEPING* IF YOU ARE NOT A WATER DRINKER I DONT THINK THIS PRODUCT IS FOR YOU. AND IF YOU HAVE NO INTENTIONS OF CHANGING YOUR EATING HABBITS AND EXCERCISE, I DONT THINK YOU SHOULD WAISTE YOUR TIME OR MONEY. OTHER THAN THAT IF YOU ARE LOOKING TO SHED THOSE LAST 10-15 AND GET LEAN WITH MORE DEFINITION, THIS IS A GREAT PRODUCT!!!

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  • 7
    Anthony

    I am just curious if anyone experienced nausea and dizziness (no vomiting) and if you continued taking the product did it go away. I drink a lot for water and I take my pill during my breakfast.
    The energy is great but I feel light headed and dizzy (especially, during a workout. If it’s something my body will get used to, then I’ll continue but if I’m going to feel this crappy every time then I certainly will not continue to take it.

    Thanks

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    Nina

    I just tooky first one and I feel light headed, dizzy and nauseous. I keep thinking I have to throw up because I keep burping/heaving but never actually throwing up. Are you still experiencing this? I’d like to know if maybe I should just stop.

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    Alex

    The only time i get that feeling is when i take to much. Just cutback the dose you should be okay.

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    ahmea

    I just want to ask you from were y get it thanks

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  • 8
    veronica

    I got a couple trial pills and I took one this morning and I feel very awful like if I would have taken 2 energy drinks. Everybody is different but I wouldn’t take this again :(

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  • 9
    Jeremy

    Got a bottle… LOVE IT… going to start a new stack of Synadrex, Thyrene, Phenolox, & a simple Multi-vitamin (and cellucor CLK) this week. :)

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    Audrey

    Is it ok to take them all together I just got mine today!

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  • 10
    dean

    Im not sure whether I take it or not. Im 22 i have100 kg of body wieght,and I go to the gym. All those who took it do u recomend it 4 me?

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  • 11
    Your Name

    How are you supposed to take this pill?

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  • 12
    Michelle

    This stuff is CRAZY!!! Never had more energy….probably too much. It definitely suppresses your appetite but I feel very jittery. Would not recommend if you are sensitive to caffeine….guess I am. Make me feel “not normal” and nauseated/dizzy. Probably not going to take it again. I would recommend it only be taken if you plan on doing an Iron-Man Triathlon.

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  • 13
    R

    I have been 2 days without food while taking synedrex ! Is it dangerous if i didn’t eat because i’m not hungry at all but i’m drinking 6 litres of water only per day

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    Erika

    You need to eat, at least small amounts , it is not healthy even if you are not hungry, it will eventually catch up to you

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  • 14
    Hussein

    I bought my synedrex from nutrition depot 4 days ago , first day was amazing , though i ate abit yet my stomach kept playing games with me as if i was on the urge of vomiting yet i came through it fine, i was energetic the whole day , but today was the worst to me i took synedrex and waited till it kicks in and then after that i drank my Pre-workout , all i can say is im having unlimited energy i worked out for an hour and half, was heavily dizzy and hands were tingly and numb that has never happened before, now im having fast heartbeats, yes i lost in 3 days and 2 days of working out properly i emphasize the PROPERLY and ended up losing 6 lbs , but i dont think it is worth it especially with the uncomfortness that im having right now i took it at 7 pm now its almost 6 pm and i still can’t sit and relax my body is Cold even though no AC. the funny part i thought i was dying lol but you know your mind plays tricks , though take it easy on synedrex would recommend taking it one a day and then cycling it off for 2 days dont over stress your body , you want change and weight loss go out and achieve it dont play with your body like that.

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  • 15
    brittany

    Great energy but I had a great deal of pain in my stomach… Has made me throw up a couple times….. Stopped using

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    brandon

    I agree with Brittany I just got it frist day I was dizzy but after that had a great deal of stomach pain my stomach now

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  • 16
    Karen

    I started Synedrex yesterday. I pill. With in an hour I was vomiting and had the worst headache ever. Went to the ER. Anyone else have these problems?

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  • 17
    Rosa

    I dont have appetite, Is my second days today and I cant sleep, and I feel really bad cause i cant sleep help

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  • 18
    amanda

    also I couldn’t nap all day which was annoying

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  • 19
    Kelsey

    Yesterday was my first day an I was lightheaded for about 5 hours an felt really high an jittery it gave me a lot of energy, an then today when I took it I wasn’t as energized an I’ve been having cramps in my leg. Also do you have to work out when on the pill I’ve been eating healthy but don’t have much time to work out????

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  • 20
    Sheila

    Can a person take it if on blood pressure meds? Like norvasc 5 mgs a day

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  • 21
    beverly m

    A little bit about myself before i say anything for 1 i have a very high tolerance for anything i take and before the fda banned ephedra from xenadrine i was back in the market looking for the next best thing and let me tell you if i can gather all the money i spent on diet pills that promise appetite control and energy and if anything a lot of them made me more hungry i found myself very sluggy without any want to do anything.., 2 yrs later i just so happen to walk into a veggie protein smoothie king here in my hometown and the gentlemen there gave me a sample of this synedrine only after i told him my story and my high tolerance and so forth and he told me “trust me i am the same way i take these myself i only take one in the morning and that is it “. he was not a little guy neither he was quit big i said that is b.s he noticed the facial expression i gave him and he gave me a sample because it is 58.00 for 90 caps i said uhm no so i take this sample hime and thinking of my passed experience i read it and it did say 1-2 caps so i took both caps and boy let me just say hands down this is just as good or even maybe better than my old original xenadrine before the modification.., side affects i will only take the 1 cap 2 is not necessary the only thing i did not care for was the nausea “yuck” :( but after drinking some water and multigrain crackers it went away then i was hot stood under my a.c vent lol at 60degrees i will definitely spend the money on this product i wish i discovered this sooner i would already be at my desired weight.., i had so much energy and no desire to eat so i ate fruit for it was light and not so heavy water most of the day and a light dinner exercise alone was not enough it actually boosted my estrogen my husband was very excited about that and i had extra energy to complete the little tasks around my house that never got done love this product i just hope that some nincompoop does not o.d on this product and tries to get it off the market like my xenadrines all in all in a nutshell if you are looking for a product to boost energy mood and everything else this is the only pill that will give you everything you want and some just heed the warning 1 pill and if you are supersensitive to caffeine i recommend 1 pill every other day otherwise enjoy i am on my way and i LOVE IT THANK YOU SYNEDREX :) 5 stars cause there is not a 10 star rating

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  • 22
    Zee

    Been taking it for 3 days, works great on appetite and makes u lose weight. But i am lacking energy all day long while get no sleep at night

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  • 23
    Sysco

    If you took syndrex and did a urine drug test will the outcomes be negative or positive? Other than that this product is excellent in energy boosts and weight loss but i had some problems in a getting a full hard erection…

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  • 24
    Shaun

    After visiting a local nutrition store, the clerk suggested I try Synedrex as it was one of their most popular items. I was given 3 sample packs each containing 2 pills. The first day was rough as far as side effects. Within 20 minutes, the effects were very noticeable and intense. I had to force myself to eat breakfast as the appetite suppression was almost immediate upon taking effect. The next few days were not as intense and built up a tolerance. I found myself with consistent energy, focus and in a good mood. After my samples ran out I bought a bottle of it a week later. The first day of taking it again was typical to the 2nd and 3rd days of taking the samples. Taking day 2 from the bottle was a different story. I experienced the severe niacin flush within 15-30 minutes. I felt as if my arms and head were literally on fire. The effects were even more intense than the first day of taking the samples. I have not altered my strict diet or exercise routine during all this time. It makes me wonder if there are inconsistencies with the formulation from pill to pill or bottle to botle. For the first 3 hours after the niacin flush, the effects were very intense but began to taper off. The key is to fight through it, stay calm and drink plenty of water. Too many people go into self induced panic attacks and end of hospitalized from the effects. You bought the ticket, now take the ride. Overall, I have had a great experience with this as far as results. Synedrex, combined with diet and moderate exercise had resulted in a loss of 15 pounds in less 3 weeks.

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  • 25
    Curtis

    I have been on Synedrex for 2 weeks now. The first day, I had that blood rush to my face deal (red face/ears burning), but it went away within 10 minutes. I have a very sensitive stomach, so I decided to eat before to avoid it. I eat eggs and toast before I take the pill and now I have no blood rush to the face problems. It gives me energy all day. I love it. I lost 20 lbs on OxyElite before they changed the ingredients, 2nd bottle I didn’t lose anything. So I decided to try this, and it seems to be working!

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  • 26
    KJ

    Im just wondering if this product is legal to bring into Canada. Im going there next week and want to know if I can bring Synedrex with

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  • 27
    Kevin

    This stuff works. The side effects of taking one pill were to much. Hot flashes and tremors. My appetite was wiped out all day and had trouble falling asleep. On the 2nd day I carefully opened the capsule and dumped out a 1/3 of the contents, put capsule back together and it was still a little to strong. The 4th day I removed half and took it after lunch. It worked perfect!! No side effects and controlled my appetite until bedtime. I can not fathom how anyone can handle 2 of these pills in a day???

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  • 28
    Unknown

    This product is great…but great as it sounds, the last batch that was made is quite alarming when it comes down to the side effects of niacin flush. Calm down! Don’t panic! It will come to pass. If this does happen, get a blanket ready to wrap yourself in, because you will feel the chills later. Drink lots of water to keep the blood pumping. If you want to continue taking this product after having the side effect of niacin flush, I’d suggest taking it every other day, or 1 hour before working out.

    Best luck to everyone!

    [Reply]

  • 29
    Leslie

    Has this product been discontinued?

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    Josh

    Yes it has but can still be bought online

    [Reply]

    Your Name

    Where can I buy it?

    [Reply]

  • 30
    allison

    i would highly suggest doing what i do…waking up an hour before you have to get up and taking your synedrex with a full glass of water, then going back to sleep. i take all of my pills (allergy, thyroid, pepcid) at the same time with my synedrex. when it is time to get up, i’m awake. and moving. then i have a boiled egg…protein…with coffee or water. that keeps your stomach from getting upset and you are asleep when it kicks in.

    [Reply]

    Wendy

    The Pepcid you take will counter act your thyroid medicine! They need to be taken at separate times!!!!

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  • 31
    allison

    i had no problems with the synedrex. i ran out and tried the phenolox and my arms and legs and face tingled and burned. that was the second day. as with anything, one size does not fit all. i’m going back to the synedrex. if you had that reaction with the synedrex, maybe you won’t have that with the phenolox. synedrex worked well for me as i have a thyroid condition, so exhaustion is something i fight against all the time. i take a stacker xpc i get from walmart an hour before i wake up, so i CAN wake up. around noon i take a synedrex. i’m good the rest of the day and not bouncing off the walls. it’s nice for a change.

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  • 32
    Julieta Garcia

    I just take my first pill today and was really scared, my whole body turned red and hot, is this normal? should I take my second pill?

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    Sarah

    Julieta, I’m taking Phenolox and the same thing happened to me.

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    Bernie

    That is the niacin flushing your system. It should pass if you keep taking it on a regular basis. Drink plenty of water, not sodas or caffeine drinks. This is one of the best products I have used to curb appetite. It will give you the jitters, and stomach cramps or nausea. Your shedding water, your body is dehydrating. Drink lots of “water”!! I do not recommend taking this more than once a day and more than a two month cycle. If you goal is to lose weight, you will. Is it worth the side effects, you will have to make your own choice. All the symptoms you all are having is the synedrex doing its job.

    [Reply]

    Jessica

    You just need water and to eat before you take it and you shouldnt have the niacin flush. Try to eat thirty minutes before and drink plenty of water and you will be fine. It happened to me and still does occasionally if I do not eat about 30mins before taking it.

    [Reply]

    Helyn

    If you take a Tylenol with your Synedrex it will calm the flushing from the Niacin down. That’s what I do whenever I take anything that has niacin in it.

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  • 33
    Jill

    I just took my first pill yesterday and within 20 min my face got hot and bright red and it moved down to my chest. I felt depressed and an emotional all day and was not myself. I had sharp stomach pains and was drinking water all day. It gave me no energy or focus. I just wanted to crawl into a ball and go to bed. I didn’t take a pill today because I did not want to feel like that ever again. Not sure if I will try another pill.

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    Robb

    the combination of ingredients happen to mimic the same effects as an amphetamine contained in medications such as the ADD medication Vyvanse. It does cause mood swings, but you can control it after the first couple of days. Just don’t kill yourself. Your body is probably not used to the blood trying to move like a regular athletes, hence why you’re on the diet. It will feel weird the for a while.

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  • 34
    mica

    I have been taking synedrex for about three months and ive been loving it. I finally found a diet pill that works wonders. I recently ran out of pills and ordered a new bottle. I have been taking the new bottle for 3 days now day 2 and 3 I have broken out in a really bad burning rash with fever and chest pains amd tightening..has anyone else had this issue..has anything changed that they put in it. I loved ot and would hate to stop taking it but looks like thats what im going to have to do

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    Jen

    I just started my 2nd bottle after great results the first tine and two days in a row I have broken out in a hot red itchy rash on my extremities and now face today….bought from a different retailer this time, but wondering if they changed some ingredient

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    Vern

    The same has happened to me I’ve been taking Synadrex for couple years. This new bottle I bought day before yesterday broke me out feeling like a wicked surnburn head, arms, chest this is so weird. I’m wondering if the compound got too much and not enough. I’ve done 30 days of cycling off and 60 days on. This has NEVER happened in over a two year using time. TOO WEIRD…

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    Casi

    I have used both Synadrex and Phenolox on 60/off 30 for a couple years and never had any reaction until today. I bought a new bottle of Phenolox and within minutes of taking a pill this morning had the most intense burning and bright red swollen ‘sunburnt’ looking skin. It was awful. It’s somewhat comforting to know this is happening to other people as well. I too LOVE both products but a trip to urgent care is just not worth it.

    Your Name

    Ummm, I take it you didn’t cycle off like you should of

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    Your Name

    Umm… I just started taking it a week ago for the first time so I haven’t even been taking it long enough to “cycle off like you should” and the sunburnt look and feel happened to me today as well.

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  • 35
    Lisa

    I took one pill with breakfast and can’t stop feeling jittery and have been throwing up all morning! This thing is horrible! I DO nOT recommend it!

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  • 36
    D

    I started taking synedrex a month ago & have experienced the jitters,light headed and nauseas. Other than that, I no longer get sleepy at work & controls my appetite(one a day). However, this wk. I started a new bottle because I had finished the previous one; and notice that for the past two days the side effects are worst. maybe 1/2 an hr. after I take it, my body feels like it is on fire and I break out in this terrible rash around my face, arms, & neck. It is scary… Should I stop taking them? has anyone experience the same thing?

    [Reply]

    Your Name

    Got the exact same thing on my second bottle. No idea what it is. Didn’t get it on the first.

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    Kris

    I bought my first bottle and have been experiencing the same thing! Rash on my face arms and and neck… it doesn’t happen all the time just once in a while and then goes away, but i have stopped taking it after a week of having the experience… What can it be? Just freaked me out a bit….

    [Reply]

    heather

    I have had the same thing happen, i am on my 4th bottle, this one causes me break out in a burning rash all over my body, lasts about an hour and then its gone, but it doesnt happen every time i take one its very odd

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    Sharon

    Same with me. Sometimes the redness, sunburn and heat. Sometimes not. Doesn’t seem to happen if I eat with it or right after. Only when I fast.

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    Jbear

    This is niacin, it’s not dangerous. You can actually buy it by itself right next to calcium and vitamin C. It’s not a rash or a sunburn or an allergic reaction. It’s blood vessels being flushed to the surface of your skin, hence the dry/tight/itchy feeling. The drug is also a thermogenic-which is why your hot and sweaty, maybe read what your taking before you take it…

  • 37
    Allie

    Does synedeex have any legal or illegal drugs in it, namely amphetamine. And if given a drug test, will I test positive?

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    Arlene

    Seriously? Well like any other diet pills they all have something bad in them. Why do you think 99.9% are not FDA “approved”? Now im
    No expert- but this kind of question is like asking if u take nyquil will your urine test come out positive for drug testing. Obviously the answer is NO. :-)

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    Your Name

    Actually, it does cause a postive test result

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  • 38
    Karim . H

    it is my first day with synedrex , i feel fast heart beat and prespiration , btw i buy synedrex from lebanon it cost 100$ , is there anyone who can bring it to me cheaper ???

    [Reply]

    Wade

    I buy mine, a 45 pill bottle, from Capitol Nutrition for 45 bucks. My first day was weird, I was wired! So much energy it had me worried. Now that’s not happening anymore but I am still sweating a lot! I’m assuming that’s my body telling me that It’s working!

    [Reply]

    Your Name

    I have been taking synedrex for a week and half. My first week was great nowy second week I feel horrible; sweating heart beating fast

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    Arlene

    These kind of pills are not for everyone and there are plenty of em out there! But be careful for imitation of anything! And always do your research. From my personal experience thats how i was too when i first tried these pills. Just make sure u eat after 30 mons of taking them and if you think youre sensitive to them take them every other day then eventually take them once early in the morning. It should say all this on the bottle! As far as buying them $100 is way too much!!! It should only be around 45$-50$!!! Try amazon or the actual synedrex web if they have one! Just be careful -once again!! Do not buy imitation ones

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  • 39
    Joy

    O.k today was my first day…I threw up , go hot flashes, and cried…..after all that I feel great.no hunger at all. A lot of energy! I am wondering if I can take half. Does anyone know? Thanks !

    [Reply]

    Court

    Ive taken half before and I get the energy without the crazy side effects. Up to a whole pill a day now and after a week my body is finally getting used to it.

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  • 40
    travis beal

    does synedrex increase a womens sex drive

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    Tasha

    I feel like it does.. It is crazy after I take the pill I so ready to have fun..

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    Mica

    I been taking it about 3 weeks.My drive has increased A Whole Lot! I’m down about 10 pounds so I’m a keep using it.

    [Reply]

  • 41
    Amber

    I lost 20 lbs on Oxyelite pro in one bottle, so far on Synedrex a week or so and I’ve lost 8 more lbs! Hopeful to lose 30 more bringing me to 120! It works!!! Watch out for the nausea, dizzness and vomiting whatever you ate before taking it…
    LOTS of energy!!!!!!! Drink plenty of water.. has diuretic effects.. very strong, stronger then OxyElite (orig formula)

    [Reply]

  • 42
    Patrick

    I’ve been taking this for 6 weeks. I was walking 4 miles each morning before I started. In a few days I was walking 6 miles and now up to 10-12 miles each morning. I have so much energy. I started out at 232 and now that I’ve been taking this I’m down to 209. This stuff really works. I have to make myself eat because I don’t have the hunger cravings. I can’t wait to get morning walk done each morning and check my weight.

    [Reply]

  • 43
    Dexter

    3rd day. N so far I have lost 8lbs. Hunger is gone. But I force myself to eat cuz if I don’t I won’t. Pill has limitless supply of energy.. I feel great.one bad thing is the jitters.. I would recommend this pill to anyone. So far I feel great as far as energy. I weighed myself n it encourages me to run. I’m closer to my goal thanx to this pill. So far nothin is is stoppin me from that goal n this pill is my wingman to that goal..

    [Reply]

  • 44
    brittany

    Plus..try drinking sleepy time tea at night. It helps bring you down.

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    alyssa

    I wouldnt mix a upper with a downer…. not very great idea

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    american soldier

    mixing uppers and downers actually doesn’t have that bad of affect, they cancel each other out.

    [Reply]

    dorrae

    If you take the synedrex in the morning and drink the sleepy time tea at night it is fine. If you take them at the SAME time it could be a problem.

    [Reply]

  • 45
    Mellymellz

    I have been taking it for 2 weeks, everything’s great but it has me breaking out like I’m going through puberty all over again. Anyone else?

    [Reply]

  • 46
    joanna lameh

    Hey !! i woul like to knw how much does synedrex cost ?and do u deliver to lebanon ?Thank u … im waiting for your reply

    [Reply]

    Carl

    There is in Lebanon

    [Reply]

  • 47
    Berni

    Following the directions to take early in the morning was a horrible idea. I vomited throughout the day. I took the second pill after breakfast the following month, hoping that would have made a difference. It didn’t in my case. I should have known better though- I do have acid reflux issues.

    [Reply]

    Anonymous

    I had the same vomitting and dizzy experience the 4th day.. I felt too sick to continue.

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    Anonymous

    Does anyone know if it’s ok to mix with energy drink with this ?

    [Reply]

    Your Name

    i drink a cup of coffee midday but i would not mess with an energy drink until about 6 hours, possibly, after you have taken the pill.

    [Reply]

    Your Name

    I usually take it after eating so that your body has something to burn off while on the pill.

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    Your Name

    I’ve been taking dem for bout. 6 days n I feel lite headed n dizzy wen I wrk out I think I’m not takin them anymore never felt like dis before

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  • 48
    W

    This product is amazing. I’ve been taking it for 5 days and lost 16lbs. I’ve been working out twice a day for (cardio in the morning , lift in the afternoon) 45 min and eating healthy. The first day I was a little dehydrated, but after that no problems. I guess it just depends on your caffeine tolorince. Tons of energy and no crash what so ever. I take it every morning at 7:00 and 20 min later I feel like I could run a marathon. My bench has also increased dramatically.

    [Reply]

  • 49
    Melinda

    I weigh around 136 right now. before I had my children I was118. I would like to get back down to aat least 120. Will this stuff help me? I have been trying to loose weight with diet and exercise but im not getting anywhere.

    [Reply]

  • 50
    Katie

    I have been taking synedrex on and off for over a year now. I started last feb after I had my baby with oxyelite pro. No results at all. I had a gym friend recommend this and within a week I noticed a big difference. I do work out with it. I eat in the mornings, maybe some egg whites and wheat toast, eat a light lunch, then by the end of the day it’s worn off and I eat again. I am 5’5 and before i got pregant i stayed around 135 – 140.at the end of my pregnancy I was 165 and a year post pregnancy with the help of synedrex I stay around 122. Love the results.

    [Reply]

    Samantha

    This stuff is great. I ordered a sample pack of Thyrene, Synedrex, and Phenolox. Each with 2 pills. Basically to see how my body reacted to them. Tried the Thyrene, and nothing. Skipped a day, then tried the Synedrex. Holy crap. I was a hardcore caffeine addict and routine energy drink consumer. I quit the drinks about a month ago when I tried to get serious about dropping baby weight. These pills are insane with the energy, I feel like I have in the past when I had overdosed on caffeine. (it can happen) The amazing part is I have always said I wanted the kind of energy my kids have, and this is it! Also down 4 lbs from yesterday, assuming it was water weight, but happy with it none the less!

    [Reply]

    gloria

    do you ever take it before a workout? i was told you’re not supposed to?

    [Reply]

    joshua stefanick

    it’s great for a preworkout

    [Reply]

  • 51
    Steve

    Do a lot of people have problems getting hard while taking this product?

    [Reply]

    Anonymous

    Been taking it for about a week and I have experienced some struggles to get an erection. It seems to shrink my mini me, also not a good bonus! The product has worked very well though, I have lost 5lbs.

    [Reply]

    jack

    I’m having the same issue with erection does this last long or have permanant damage I must know someone tell me something cause the product is working but my penis isn’t up to performance standards

    [Reply]

    MH

    Same problem… also have to push a bit when urinating.

    Anonymous

    Caffeine causes the blood vessels to tighten. This constriction can prevent the proper flow of blood to the penis when a man is sexually aroused. The effects of – caffeinated drinks and foods, such as coffee, soda and chocolate, can last up to 12 hours. I have been taking Synedrex for about a week and the above holds true until it wears off. But, on the upside I have more stamina and NO problems with performance after the effects wear off! Just my opinion.

    [Reply]

    carlos

    I’m 28 male I have always been very sexually active.buT since I’ve been using Synederx I have lost my sex drive.has anyone else experienced this.

    [Reply]

    steve also

    My trainer says the same happens to him, me too also experience 20 second delay urinating

    [Reply]

  • 52
    Kourtnee

    I just started working out and was recommended to use this to help kick start my metabolism again along with taking protein shakes and of course changing my diet. My question is does this supplement help with mental focus as well?

    [Reply]

  • 53
    Kim

    I’ve been taking it for over a month and a half and have started feeling like I have indigestion all the time. Is this normal?

    [Reply]

    Stacy

    I also experience this.

    [Reply]

  • 54
    Anonymous

    I think is great, maybe a little to strong for me, but I lost 3 lbs in 3 days. I love it.

    [Reply]

  • 55
    Jesse

    First day I took Synedrex felt like they should have labeled it Thermo-Nuclear. I was go go go. Second day is a lot better, more normal feeling. I did get a very small touch of nausea when working out in the AM. I take it on an empty stomach along with my other supplements, Osteo Biflex, cinnamon, flax seed oil, aleve. I just started working out in the AM instead of PM so it could be anything.

    [Reply]

  • 56
    bob

    I lost 80 lbs in 36 hrs. works great

    [Reply]

    Anonymous

    80 pounds in 36 hrs?

    [Reply]

    Melissa

    How many lbs in less than 2 days? I felt hot/sweaty while eating breakfast after taking it and real jittery. That normal. It’s day #1

    [Reply]

  • 57
    RHYTHM

    I’ve been taking synedrex for month and I lost about fifteen pounds, and now I can’t get and erection to make love to my girlfriend is anybody having this problem?

    [Reply]

    Anonymous

    My husband has the same issue

    [Reply]

    Arod

    Yessss…….. 3rd week 2 pills I cant even eat 6 meals I feel like throwing up and I just feel sick and dizzy… Worst of all I can’t even get hard all way lol…. but It’s working im finally down to 8% bf im finally under 10% I’m 17 so Mabye that’s why I’m having a lot of side affects idk …any advice people? lol

    [Reply]

    Tyothy

    yes, I notice that when I take it my penis is smaller when erect or flaccid, I’m wondering if it’s due to dehydradion from the pill? In any event, I’m going to stop taking it because it does seem to also give me a decrease in stamina and desire.

    [Reply]

    B

    Ya, exact same issues with erection and size. No product is worth that trade off. I’m done with it.

    [Reply]

    Anonymous

    yup same here….all the while i thought it was me

    [Reply]

    carlos

    No not all I’m going this right now.did you ever stop taking the pills.I stopped about 2 days ago.this is really not worth it. did you go back to yourregular sexual activity? please try to get back to me.I have never had a problem Until now.

    [Reply]

    scott

    Yep. Same thing here. Sometimes I can achieve an erection but no orgasm.. very weird. BUT, I’m down 24lbs in 6 weeks! I expect that once I’m off the product things will go back to normal.

    [Reply]

    Your Name

    I have took 2 cycles of synedrex and am currently on my 3rd every time I take the pills for 6 weeks and I take 2 a day bc strangely enough they make me sleepy not hyper. The issues with getting an erection and size is true. As stated above the caffeine tightens blood vessels and other ingredients that help suppress your appetite have hormonal effects making you want to have sex yet have no sex drive. The effects typically take about 2-3 days of not taking the pills to wear off and for stuff to go back to normal. Lastly the tightening of the blood vessels as well as prostate side effects cause you to feel like you have to be constantly and make you have to push to urinate and make the urine and sometimes you will be done urinating and go to put your member away and you will leak bc you haven’t been able to properly drain all the urine out. Crazy side effects but product does work and no side effects seem to be permanent.

    [Reply]

    carlos

    I have the same problem have you stop taking the pill. did you go back to your regular sexual activities?

    [Reply]

  • 58
    Million

    WOW this product had me on point the first day. You will have to remind yourself to eat. And drink water or you will have headaches. Can feel even 9 hours later. Read the reviews made sure I ate something prior to taking the pill. Had B12 shots nothing compares

    [Reply]

  • 59
    k

    whoa- this stuff is basically speed! on 2nd day, and seems to be doing everything it says it will. I take it in morning and feel the biggest rush maybe an hour or 2 later, but effects last all day. I didn’t have trouble sleeping. Yesterday I came home after work and scrubbed my grout with a toothbrush– it’s that kind of high! I think i will only take it a few times a week. Important to drink lots of water. I don’t feel urge to “mindlessly” eat, but i have been eating solid, healthy foods to support my metabolic needs.

    [Reply]

    Christina

    Lol me too! I can’t stop moving when I’m on these pills! I just spent 3 hours bleaching and scrubing my house! It’s like speed, but I do feel jittery because I’m not used to caffeine. I don’t drink soda or coffee so my body is on overload. Do you feel lightheaded at all?

    [Reply]

  • 60
    Jess

    Started Synedrex on Monday and decided to take every other day. So, I’m on my fifth day,have only taken 3 pills thus far and am down 4lbs.

    I am taking every other morning on an empty stomach. First day was very jittery and could feel the energy tingle out my fingers within the hour of taking. With each pill, the jitters have subsided a bit and by 3rd pill there were no tingly feelings.
    I noticed absolutely no hunger pains or cravings the days I take the pill and very little on the days not taking it. I am now very thirsty and drink tons of water.
    I have not worked out yet but plan to start doing so next week.

    [Reply]

    sue

    I took it 3 days straight on an empty stomach but I am wondering if I can take one pill every other day and still have the same good results?

    [Reply]

  • 61
    Jay

    I’ve been taking it for abt a month now & I’ve lost 34 lbs. I didn’t get nausea, but I am so thirsty, like I can’t drink enough water. I do an hour cardio 4 times a week. I also notice I have started biting the inside of my jaws n grit my teeth. I didn’t before using the product. ..has anyone else experienced this?

    [Reply]

    Anonymous

    Yes I am the same and I feel so bad.

    [Reply]

  • 62
    annie

    I have been on synedrex for exactly one week now. So far, I’ve lost 4.5 lbs. I am a fitness instructor on the side and get plenty of cardio in, lift weights as well 2-3 X week. I am amazed at how my body looks! I have a cruise coming up and want to look crazy good in my swimsuit.
    I started off with 1/2 a capsule mixed in some juice. Felt awake and ready to go. Definitely get jittery if I don’t eat a little with it. Very strong appetite suppressant, I had to force myself to eat lunch most of this week. I have moved on to one whole capsule within 45 minutes of waking. I do find myself having a hard time falling asleep, but when I do, I’m out!
    My day job has me sitting at a desk mostly all day and I have found that now I stand a lot at my desk and move around more because I feel the need to just move.
    STAY HYDRATED!!! Make yes to drink lots of fluids or yoi’ll find yourself with headaches and body aches.

    [Reply]

  • 63
    Melissa

    Is it safe to do cardio on this pill? I took it for the first time today. I went running and it took me nearly an hour just to get my heart rate back down and I had only ran 2 blocks. I also feel a little nauseous, but I know that’s common for the first two days.

    [Reply]

    Carmen

    I took it today for the first time and went walking for an hour, when I got home I cleaned I started feeling a little nauseous but nothing you cant handle. I drank a protein shake with my pill today and now for lunch I am forcing myself to eat but I am not hungry.
    I was taking ripped juice in the morning this stuff is so much more intense!

    [Reply]

    Anonymous

    What kind of Shakes do you take in the morning?

    [Reply]

    gloria

    i was told its not good to take right before cardio because it constricts your arteries and raised your blood pressure so now im trying to find out if thats right.

    [Reply]

  • 64
    Raul

    HI everyone!! i a new in this, never tried a pill before for losing weight, i’m currently doing p90X, but i want to lose all the fat on my belly and my arms. some recommended this to me, but seeing the comments i dont know!!! i am 30, 235pounds, 6.5ft. i am also having protizime shakes to supply solid food, and very low carb diet. if i take the pills and also the shake, this mix, it is any trouble??? i ve always been a strong person, inmunologycally, but i would like some advices.

    [Reply]

  • 65
    Rob G

    I’ve been taking it for a week now, I have no cravings at all for junk food, for the past week I eat to live , not live to eat, like I have for the past 25 years. This stuff works.

    [Reply]

  • 66
    Bennie

    Just make sure to eat bout 15/30 mins before u take it, I used it for 30/45 days normal workout, the more u sweat the faster u lose it, I went from 204 to 186 n over a month, so yeah its good, but just remember everyone’s body is differant

    [Reply]

  • 67
    Freddy

    Amazing pills. But does it have negative sexual s
    Effects

    [Reply]

  • 68
    Anonymous

    Im on my second bottle and have been using Hydravax with it. I run and weight train and have noticed a VERY BIG change. I have dropped about 22 pounds from taking both of these products. I have abs and the “ripped” look. I would recommend this product to anyone, in fact I recommended it to several people I work with and they love it!

    [Reply]

  • 69
    Kelsey

    Should I be taking this if I’m 16 and an athlete. I want to lose about 15 pounds, does it sound like a good idea?

    [Reply]

    Your Name

    NO!!!… Learn to eat healthy and continue exercising!!! You are still young and your body is still going through changes! If you eat healthy and exercise, you will lose that 15 pounds!!! You should NOT start teaching yourself that taking diet pills is the answer!!! Make a life change with healthy eating and exercise!!!!

    [Reply]

  • 70
    Cory

    This was my first day taking this . I took it on an empty stomach and within 15 min I was throwing up . That last an hour .. Had to leave work cause I was jittery and sick to my stomach, after 4 hours I was able to come back to work . I still don’t feel good I haven’t been able to eat. I am not jittery anymore just feel under the weather.. I’ml not ready to give up just yet, tomorrow I will try it with some breakfast in my stomach .

    [Reply]

  • 71
    Cadelia

    Can I take Synedrex while on high blood pressure medicine?

    [Reply]

    Anonymous

    Synedrex is an upper it can have some adverse side effects if you have high blood pressure it can be very hazardous if I remember correctly it even says so on the bottle. In my opinion no I would not take it until I talked to my dr if I was in your situation.

    [Reply]

  • 72
    Kelly

    My pills were in a bag during travel, and some of the pills broke open and have a crack which allows me to see the powder inside that can spill out(if i tried to dump the powder out) Also, they were in the heat and some had melted a little and are softer now, is that okay to still take these pills?

    [Reply]

  • 73
    Weston

    I am 28 years old and in good athletic condition. I work out regularly and have taken a few supplements in the process to help me out. I started using Synedrex last Sunday. It was working great;it gave me plenty of energy and curbed my appetite to where I didnt even get hungry and had to force myself to eat. On the fifth day I started getting horrible nausea and tingling in my extremities especially in my hands and my heart felt like it was constantly beating out of my chest. I used the prescribed dose only one pill a day after breakfast. I never had any trouble until the fifth day. I took it the same way on the sixth and within 3 or 4 hours I was having bad side effects. My pulse was raising from low 80′s to 130′s suddenly and my blood pressure was shooting up at the same time. It would come and go. It got to where I couldn’t breathe and was unable to stand up. I even passed out a few times. I was taken to the emergency room just for to be cautious. Everything is fine now that I am off of it. It worked great in the beginning but unfortunately its not for me. So please just be careful and if you do start feeling any side effects then please stop using it. My situation could have turned out much worse had I not been around people that knew what to do.

    [Reply]

    sjarnold21

    i’m having similar effects. only i get horrible nausea, a little bit of tingling, and i get really hot and dizzy. it helps if i keep cool or get something to eat. i don’t know if its the same issue but its pretty scary.

    [Reply]

    shanna

    I had the exact same side effects. I eat before I take it, and I tried taking a day off in between. I stopped taking it, my husband is taking the rest of my supply and hasn’t experienced any of those problems. I think it just isn’t for some people. I am now taking Crash also suggested by my trainer I take it before bed and it helps burn more calories when sleeping, no side effects from this one. I see this is older, did you continue taking and if so did the side effects subside?

    [Reply]

    jerry

    exact same reaction here..def not for me..I thought i was dying.. not worth it.

    [Reply]

  • 74
    Alaynah

    I took it and wasn’t able to eat for over 24 hours without throwing
    Up and woke up almost every hour when I went to bed. Total nightmare

    [Reply]

  • 75
    jessenia

    I have 2 days trying synedrex n I feel horrible ….shacky and nerves, what should I do!

    [Reply]

  • 76
    Ben-e

    ive been taking synedrex for a week now, i have lost over 6 pounds tho working out like crazy but i think im not shedding it fast enough do to calories low, my appetite isnt really there

    [Reply]

  • 77
    cynthia

    I have been taking Synedrex for a few weeks and I have lost 8 lbs with no exercise and it does suppress your appetite.I have tried several diet pills and these work for me.

    [Reply]

  • 78
    Robert

    I have a comment and a question. How do you know this product has caffeine in it when it isn’t listed under any of the ingredients? How did you come about this information?

    [Reply]

    Anonymous

    Green tea is caffeine.

    [Reply]

    Anonymous

    LOL Green tea has “very low” amounts of caffeine. methylxanthine is caffeine pal

    [Reply]

    Britteny

    It has 350mg of Caffeine plus the Green Tea.

  • 79
    Dues

    Can u take half a synedrex

    [Reply]

    kjf89

    No, idiot.

    [Reply]

    Anonymous

    I do, I just open the cap and transfer 1/2 of the contents into another capsule. one is too strong for me. still works great.

    [Reply]

  • 80
    Jazzy

    Day 1, not sure if I should keep taking this pill. I am not feeling to great. I am shaky and jittery. Walked around the company like 5 times still not feeling good. Its been 5 hours and now I am nauseaed. I guess this pill is not for everyone.

    [Reply]

    eml

    I started taking Synedrex 6 days ago and I am down 7 lbs. I’ve gone to the gym 5 days out of the 6. I had severe jitters the first day but then decided to eat first the next day and try it and it made a huge difference. Protein shake with 2 boiled eggs then the pill and the jitters are gone. Hope this helps!

    [Reply]

    Anonymous

    Yeah, if you don’t eat within 15 minutes you will get really sick. I found that a bowl of oatmeal and a pear worked great. I started this on a Wednesday and by the following Tuesday I had lost 16 lbs while doing a heavy workout ( low reps, high weight) every day. When I began to do an extensive cardio workout daily that also boosted more loss.

    [Reply]

    Anonymous

    You have to eat something with it…not just one piece of toast. Big breakfast. Medium lunch. Light dinner.

    [Reply]

  • 81
    Tony

    I am on my 3rd day using synedrex. I take these in the morning before breakfast….maybe 15mins before. The first day was really bad in the sense of jitters and a crazy caffeine overdose feeling, 2nd day better, still pretty strong, though today 6 hours after taking the tablet I feel really light headed and not as motivated as the first 2 days. I didnt have a problem sleeping the last 2 nights.

    [Reply]

    carmen

    I took it this morning for the 1st time with a protizyme shake and left walking for an hour and fell great when I got back I started to feel really nautious and have spent whole day in bed, Will I feel better tomorrow?????

    [Reply]

  • 82
    Jill

    I went to the gym on it and I was PUMPED!! I had a great workout.

    [Reply]

  • 83
    al

    i’m not the type of person to be on a bandwagon, but i been using synedrex for 2 weeks and lost ten pounds without working out looking forward to getting in the gym with it.

    [Reply]

  • 84
    eddy

    hi , i am using synedrex 15 days ago , but i dont know how to finish from the side effect specially the jitters and insomnia .how can i resolve this issue . and it should be taken before breakfast or after . Thanks a lot

    [Reply]

    Ryan

    Actually you only take up to two a day I have been using synedrex from about 3weeks and have lost over 20 pounds I only take one pill a day and if you buy from suppliment ware house myou can get it for like 30 for a 45 days supply if you use the price compare to a sketchy website that has a rediculously low price this is my second cycle and I would suggest anyone looking to lose weight use this product also the jitters disappeared after a week or so my rating is a 5/5

    [Reply]

    khriz

    Im in my third day, but i had a question. Do you have to take it everyday or just the days you go to the gym? because i was planning on taking it only on gym days…

    [Reply]

    Ken

    I would take it everyday, but after two months of taking it take a month to two month break from taking it at all.

    That way you keep your body guessing, but keep going to the gym regular schedule and keep your diet the same. DIET DIET DIET. It’s not just the pill doing the job for you. ITS YOU!

    My trainer recommended this product to me, and it’s a great product!

    Sue

    I have been on Synedrex for 4 weeks now I have lost only 8 pounds. I eat less than 1,000 calories a day and I walk for about 45 minutes everyday. Other people comment that they have lost over 20 pounds – what I am doing wrong?

    [Reply]

    Alan Arguello

    You’re slowing your metabolism down to shit. Eat 1500 calories a day, evenly over 8 hours and take in no solid food after 6PM. Ephasize lean protiens, leafy greens, and health fats and you’ll shed it. If you want abs stay away from a.b.s. Alchohol. Bread. Sugar

    Valerie

    Wow, Alan. Kinda harsh.
    It is true though, eating less calories wont promote weight loss. I have been on Synedrex for 2 bottles now, with a month break in between and I have had great results. Eat well, keep walking. You need good calories, that’s it. Keep at it. It takes 4 weeks to notice a dfference in yourself, 8 weeks for your spouse to notice and 12 for your friends to notice. Keep it up!

    Anonymous

    you are not eating enough, your body is in survival mode and will not let go of fat stores.

    Anonymous

    Eat more you should be at approx 1800 calories a day.
    By eating clean a proper diet will increase your metabolism. 5 meals a day. Pills will only give you a slight advantage. Keep up your workouts. Weight loss occurs over months. Don’t get discouraged.

    Juan Pla

    Not enough food, too much cardio, and not enough emphasis on weight training. You need to sit with a professional to figure out your specific caloric needs as well as the proper training program for your goals. Blind caloric recommendations will not do.

    Joshua

    I’m willing to bet that you’re not doing anything wrong and that your body and synedrex don’t cooperate with each other.

    D

    i dont think some of yall have tried using syndrex… ive been on it for about 2.5 weeks or so and have lost 15lbs. When you are taking syndrex if you eat more than 1000 calories in a day you feel bloated as crap. I usually only take in around 750 on days I take it and that includes drinking cranberry juice. Seriously, how do yall figure 45 minutes of WALKING is TOO MUCH cardio?!? I go to the gym 4 times a week, lift weights for about 1.5 hours and do 30-45 minutes of running on the eliptical. Lastly, I usually take the pill m-f and take off on the weekends and eat a nice meal on saturday and sunday. This will make you gain a couple lbs from the water your body is now retaining since syndrex eliminates water weight, also will promote speeding up metabolism. So basically I have been losing about 5-7 lbs from m-w then start to level off, gain about 2-3 lbs over the weekend, then 5-7 again m-w so avg around 3-5 loss per week. been working for me so far. ALSO note, weight loss is always going to depend on eating habits, exercise, how overweight you already are or arent. I plan on only taking until I finish the bottle to speed up weight loss to where I want to be and then just maintaining weight.

    Sysco

    If ypu take synedrex and then do a urine drug test will u get positive or negative?