Cellucor D4 Thermal Shock Review

Editor's Review: 3.7 / 5.0

What You Should Know

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Cellucor D4 Thermal Shock is a weight loss supplement that claims the ability to eliminate fat in difficult and troubled areas, suppress the appetite, increase the metabolism, burn fat, boost energy levels, and improve focus and concentration. Cellucor D4 Thermal Shock states that it is not intended for those who have not used stimulants before or for those who are sensitive to stimulants.

List of Ingredients

Embelic Myrobalan Extract, Caffeine, Octopamine HCL, Evodiamine HCL, White Willow Bark Extract, Forselex, and Passion Flower Extract are the only ingredients listed for Cellucor D4 Thermal Shock, but it is stated that there are over 70 ingredients in this product.

Product Features

Cellucor D4 Thermal Shock contains the ingredient White Willow Bark Extract which is said to aid in the release of excess body fat. Forselex is said to be able to do the same thing as White Willow Bark Extract. Passion Flower Extract is thought to possess a calming effect and work as a mild anti-inflammatory and pain reliever. The ingredient caffeine is said to help promote energy and boost the metabolism.

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Advantages

  • Cellucor D4 Thermal Shock contains White Willow Bark Extract which is believed to be effective.
  • This product encourages exercise.

Disadvantages

  • Cellucor D4 Thermal Shock contains caffeine so those who are sensitive should avoid this product because adverse side effects, such as, increased heart rate and elevated blood pressure may occur.
  • Those taking MAOI’s, SSRI’s, antidepressants, blood thinners, NSAIDS, corticosteroids or certain other medications should not take this product.
  • Those who have diabetes, hypoglycemia, high blood pressure, cardiovascular ailments or certain other medical conditions should not take Cellucor D4 Thermal Shock.
  • Women who are pregnant or nursing should not use this product.
  • Some individuals experience sleep loss. (See reader comments.)

Conclusion

Cellucor D4 Thermal Shock doesn’t stand out from the rest of the weight loss supplements available today. Cellucor D4 Thermal Shock may not be an effective weight loss supplement because it is unclear if there are any proven fat burners or appetite suppressants in it, so those seeking a weight loss supplements, with the ability to suppress the appetite and burn fat, may want to research other products.

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Editor: Paul Blake

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86 User Reviews about Cellucor D4 Thermal Shock

  • 1
    sharon

    what happens if i took 2 by mistake?

    [Reply]

  • 2
    Anna

    Would this product be effective if I took it after eating?

    [Reply]

  • 3
    jen

    does ur skin breaksout when u use this product because i breakout in hydroxycut?

    [Reply]

  • 4
    Anonymous

    I’ve been on D4 for 4 days also I talk “olio” it’s all true really a believe in the product, not hungry.. Except towards at night. But that’s just boredom. I workout everyday. I had a question if one of you could help me, I’ve decided I’m going to dress extra warm at work, hoodie sweatpants etc? Will this increase my results ? Does this tie in with the thermogenic or whatever?

    [Reply]

  • 5
    tatyana

    whats the big deal with taking it with antidepressants? i take zoloft. i just got d4 yesterday,and i want to make sure its not too terrible of a mix before i continue to take any more. thank you

    [Reply]

  • 6
    Kaitlyn

    I am 16 years old. I have been taking d4 for about 2 days now. Two pills a day. One before school and one after. I work out daily for the past year or 2. Ive been drinking a gallon of water a day with these pills. I feel a lot of energy and I also now stay a wake at school. I have been running farther and faster. Hopefully I can loose some weight. Guess ill just wait and see.

    [Reply]

  • 7
    Freeman

    Hey Guys,

    I started using this supplement 4 days ago and haven’t really noticed to much. I take one pill at breakfast and 1 at dinner. I don’t feel the caffeine/energy and I don’t feel a suppressed appetite. I’m trying to lose between 12-15 pounds so I’m hoping to lose it in the 8 week period (along with daily exercise and diet). Without getting to personal, I find myself using the bathroom twice as much as I used to before starting this supplement. Is this something that I should get used to or is this just a beginning cycle kind of thing?

    [Reply]

    Kaitlyn

    The pill has a lot of caffeine in it which will make u pee a lot. Its normal… to me at least

    [Reply]

  • 8
    Roz

    I started D4 7 days ago and I lost 8lb so far. I think it’s all water weight. but still I lost weight!! So far I like them!!

    [Reply]

  • 9
    Amanda

    About to start taking these tomorrow. 5’5 female 17 years 142 pounds aiming to hit 125 asap. Wish me luck. Only gonna take one a day starting out though.

    [Reply]

  • 10
    rahonovis

    This product is quiet a mystry… Im sure it will work but the lack of sleeping drives me nuts …. im on my second day and the apetite is going downhill

    [Reply]

  • 11
    angieruiz

    This is my 2nd day taking this pill and often feel naseous & after I take it I keep burping the taste of it. Ive only take one a day so far.I noticed most of the neg comments are from women,is the product aimed at mostly for men?

    [Reply]

  • 12
    shannon

    This only works if you eat right AND exercise. I do notice that I am going to the bathroom a lot more often and drinking lots of water but I feel pretty good. I do also notice being light headed when I take my afternoon pill but it’s nothing too bad. I’m going to start taking 4 a day tomorrow though. Makes me feel really focused while working out too. So far so good.

    [Reply]

  • 13
    Tatiana

    I just started taking pills a week ago. Does anybody know if you can still lose pounds even if you don’t work out.????

    [Reply]

  • 14
    Tatiana

    I just started with D4 a week ago, i have not lost any pounds but I feel lighter. Does anyone know if it will work to lose weigh even if I don’t work out. I dont have time to work out but I’m hoping that I will still lose pounds.??

    [Reply]

    John

    So your looking for the miracle pill, that you loose weight with out putting the time in to exercise? It does not exist you know.

    [Reply]

  • 15
    William

    I am interested in this product,but unsure of how well it would work. I weigh 230lbs and Im 6-2. I want to get back down to atleast 190-195 lbs, and drop my BMI down to 11-19%.

    I workout when I can, and run atleast 2-3 times per week..2 plus miles.

    I work graveyards so my hours and workout times are at unusual time…please respond if you can

    [Reply]

  • 16
    chanda

    D4 thermal shock is the best fat burner in the world and it works i add effederine with it when i run and it work gr8 2gether for breathing!

    [Reply]

    angel

    do u run for fun or marathon
    I only have problems breathing when i push myself

    [Reply]

  • 17
    Chris

    Ive been taking these for a week now, and im feeling great. Good focus, energy throughout the day. Just make sure you take your last capsule about 7 hrs before youre wanting to go to bed and youll be feeling great in no time. Love Cellucor products!

    [Reply]

  • 18
    luzmarie

    Its my first day on the pill. I’m 20 years old, 5″2 and 142 lbs. I eat chicken with brocolii for lunch and I work on the elliptical an hour for 5 days. Is this safe for me? What may be the side effects…I drink tons of wwater also…thanks

    [Reply]

  • 19
    Carlos

    I have been on this pill now for 9days. I have lost 1lbs and have not felt any different. I eat about 2000 calories a day and exercise 4 days a week. Energy level is the same as before but it work on my appetite.I haven’t been as hungry. I will continue using it for the 30days. Post my results

    [Reply]

    Sara

    So u eat 2000 calories a day? How much you burn a day? Make sure if u burn 200 calories at gym a day, u should eat less then 200 calories a day then u will b able to loose weight. If u eat more less then u burn then u doing nothing.

    [Reply]

  • 20
    Elena

    I took this product for 2 weeks and the first week was feeling fine had more energy and less appetite i am an extreamly healthy person an i am about 15-20 pounds overwheight. However on the second week going into my third week i experience having my heart extreamly rapid while sleeping which scared me and i also felt like hot when it really was cold. My doctor said i experience high blood presure while on the pills. I thought i was going to have a heart attack. I don’t recommend this product.Be very carefull in taking products that are not FDA approve.

    [Reply]

  • 21
    patty

    Today was my first day taking one pill por day and my heart was going crazy and the last 3 hrs I felt nauseus … I’m trying to go to my healty weigth I’m 60 pounds over … How can I make the naseus efect go away?? Sombody plz replay

    [Reply]

    Shay

    Patty, eat something small about a half hour after taking it. You want it to have an empty stomach to work on in order to have the full effect, but a half hour later put something on your stomach to let it settle.

    [Reply]

  • 22
    Dutches

    Great Product! Im am well on my way to my goal!

    [Reply]

  • 23
    rachel

    how long does it take for D4 Thermal Shock to get out of your system?

    [Reply]

  • 24
    Belem grifaldo

    Its my first day taking d4 and it already made my stomach ache ia that normal? Ive only taken the pill once today.

    [Reply]

    al

    Idk. I’m wondering the same thing. I took my first pill today and feel REALLY bad lower abdominal pains. I feel like I’m having a miscarriage– I’m a guy…

    [Reply]

  • 25
    lina

    I started off using to capsules at 7 am before I head out..about an hr later I’m hungry..this is my second day…I will try taking 2 more around 12/lunch..if I still feel nothing I’m taking it back..not as strong as I thought nor need it to be..just makes u use the bathroom alot..

    [Reply]

  • 26
    Melody

    I have been taking D4thermal shock for 3 days and i can feel it burning the fat my arms,legs and wrist are becoming slimmer i guess the belly fat takes a little longer. I want to know why do i fall asleep after taking D4 thermal shock?

    [Reply]

  • 27
    Jeremy

    I just started taking D4 today and only took one pill. I didnt necessarily have the “shakes” but I could tell the caffiene was working. I am afraid to take the other pill now 5 hours later because Im still pumped from the first one and I dont want to be up all night long. Will eating before I take this lower the shakiness?

    [Reply]

  • 28
    Cookie

    Does anyone experience night sweats with D4 Thermal? I’ve read that some people experience excessive sweating, but that isn’t an issue for me during the day, only at night. I have recently moved and changed jobs and I’m not sure whether to associate the night sweats with the supplement or other factors. However, even on days when I don’t take D4 I still experience night sweats.

    [Reply]

  • 29
    maribel

    For some strange reason i feel nauseous after taking it in the morning, i started eating first and then taking it. This is supposed to give you energy but instead i feel sleepy. Also the other day i was taking my cardio class and my heart was beating really fast. I was worried. Has this happened to anyone else?

    [Reply]

  • 30
    bmom

    my daughter is 16 and weighs 168. is 5’7″/ I am wondering if she can take D4 one tablet if I monitor her 24 hours a day for 5 days first.

    [Reply]

    TW

    I’m not a doctor but I would try giving her less than one pill if you are concerned. Maybe start with 1/4 or 1/2 a pill vs. giving her a whole one and worrying about it.

    [Reply]

    Anonymous

    your daught is 16>>>you are insane if you think it is a good idea to give a 16 year a weight loss supplement. start mointoring her diet and encourage exercise> this is nto a magic pill and 16 is way too young to take any dietry supplements.

    [Reply]

    dave

    i agree

    [Reply]

  • 31
    Margaret Samuel

    I am on Depoprovera. Will D4 lessen the effects of this form of birth control?

    [Reply]

    liz

    I sure hope not, I’m on day 1 and I am also on Depoprovera.

    [Reply]

  • 32
    Dave

    I tried cellucor D4 Thermal Shock, and the results were phenomenal. But ofcourse you are ludacris to think that you will just loose weight by taking the pill and laying around. I took D4 while following a strict high protein, low carb diet. and I did alot of High Intensity Interval Training such as sprints, staidums, ladders (they burn 3x more fat than conventional cardio). On June 9th I was 243 lbs, and on august 1st I weighed in at 208. Be strict with your diet, and just sacrifice for a little bit and you will have extraordinary results, I promise. Remember stay away from excessive carbs, limit yourself.

    [Reply]

    Your Name

    How many Carbs did you eat in a day (gms)

    [Reply]

  • 33
    mc

    i have about 10 lbs i would like to lose. i consume about 1200 calories a day and eat healthy. Are there any side effects for women on this product vs. Men?

    [Reply]

  • 34
    MICHELLE

    Any ladies out their know if it has affected their birth control…

    [Reply]

    R

    I think it has affected me…got my period 10 days early and am now thinking it has reduced the pills effectiveness…thus my period…am now weary but can’t find anything about it anywhere…does anyone know if you should not take this if on birth control?

    [Reply]

    MICHELLE

    Yes if anyone finds out anything of how it is with birth control please inform!!!

    [Reply]

    Tina

    Girls use back up…a friend & I started our diet & D4 & occasional C4 & we are both prego & were on 2 diff BC pills…trinessa & reclipsen…im sure this decreases the effectiveness some how like any possible drug interaction…this also happened to the sales mans wife at the nutrition store who sold us D4…weve been researching this & because woman are new to these products we wanna make sure there is a warning on the bottle…we want nice toned bodies not babies from the product..but please remember children are a blessing…& things happen for a reason.. :)

    [Reply]

    Anonymous

    So it does affect birth control?

  • 35
    Anita

    I started taking this about 3 weeks ago and I have yet to stop feeling nautious (to the point where it is unbearable) and I only take one a day. I sweat profusely and feel like I’m constantly in a bad mood :( .

    [Reply]

  • 36
    Al

    Awesome pill… I was taking about 2 5 hour energy shots a day and have been taking the D4 for 3 days now and I don’t need the 5 hour energy. Which is great! My question is that the pill is causing me to not be able to sleep at night and also a lot of time I feel like I’m asleep. Anyone had this side effects?

    [Reply]

  • 37
    BigWill

    is there anything you have to do before taking this? like cleaning your system?
    and does missing a dosage or a whole days dosage once, affect results?

    [Reply]

  • 38
    Amanda

    Still doesn’t compare to Adipex…I am on week 2 and can’t really get the appetite under control. I’ve tried different times of day and drinking lots of water. Oh well, still plugging along waiting for the energy boost and loss of appetite.

    [Reply]

    Andrew

    have some discipline in your body and stay away from the crappy foods. who depends on a pill to take away your cravings for bad food? someone lazy, thats who.

    [Reply]

  • 39
    Murdoc

    Hell yeah! I just started taking D4 and i must say that i’m a believer. One of these bad boys n the morning with a stout cup of coffee and i’m good all day. Oh, and can’t forget to drink lots of water throughout the day. Explosive energy and decreased appetite, totaly focused! What else could u ask for? Hell, u might could go as far to say that this is as close to legal METH as u could get……..got my vote

    [Reply]

  • 40
    alwazgina

    hey getting ready to start this d-4. do you take it before your workout?

    [Reply]

  • 41
    Bri

    ive tried everything like slimquick, lipo6, green tea, xzenadrine, alli, hydroxycut, and a few others and none of them ever worked.. i just started taking D4 and we shall see how this works! so far i feel really energized and great! i want to either clean like crazy or go on a walk!

    [Reply]

  • 42
    Dave

    I just started with this, and have a fairly high tolerance to caffiene. I haven’t noticed much in the line of weight loss, but I’m also a heavy lifter and try to pack on the carbs and protein, so weight loss would be difficult. I really only started taking this for increased energy, and it seems to be pretty good for that by just taking one pill in the morning and one at lunch.

    One side note – I can’t say whether or not this is true, but women on birth control may want to consult a physician before taking this. I have seen an oddly high number of comments on other sites about D4 negatively affecting birth control, which resulted in many unexpected pregnancies.

    [Reply]

    Weiss

    Dave, your comment was helpful.

    [Reply]

  • 43
    Colin

    I reccomend this product to anyone who works out, and is looking to lower their body fat.

    I’ve only been taking it for a week (currently on 4 pills a day) and I LOVE it. It supresses my appetite, i’m only eating 1800 calories per day AT MOST.

    Also, I’ve been working out hard twice a day, not including light physical activites in between. It makes me feel great, and motivated.

    on the down side…I have experienced slight sleeplessness and chest pain while on it. Do not take this with anything else. Do not take on an empty stomach, and drink more water than you usually do. Also, make sure you take your last dose of the day AT LEAST 6 hours before you intend to go to bed, prefferably even 8 hours.

    [Reply]

  • 44
    Scott

    I am on meds for high cholesterol. Is it okay to for me to try thermal shock?

    [Reply]

  • 45
    NIkki

    I am currently on lipo 6 only been on it for a week gives me energy im eating good and didnt even shed a pound im deciding if i should try d4 tell me what you think??

    [Reply]

    TINO

    MY BROTHER TOOK LIPO 6 AND IT WORK FOR HIM HE DIDNT FEEL LIKE EATING AS MUCH AND HE WENT TO THE GYM ABOUT 4 TIMES A WEEK AND HE LOST ABOUT 10 POUNDS IN 2 1/2 WEEKS IM CURRENTLY TAKING D4 BUT IM BERLY STARTING TO TAKE IT SO I COULDNT REALLY SAY NOTHING YET ABOUT IT BUT THAT IT DOES GIVE U MORE ENERGY TO GO THREW WITH YOUR WORK OUT

    [Reply]

  • 46
    jared gex

    I been on it for 2 days and i like it i started a diet 8 days ago with white flaky fish chicken and vegeis and lots of water and i am working out every day. I lost 15lb in 8 days about to take another and go to my athletic club and stump a mud hole in a good work out

    [Reply]

    jen

    Let me know how you’re losing the weight!

    [Reply]

  • 47
    lonnie

    I guess being that I come from taking the original xenadrine this is like childs play to me. I only experience sweats if I exert myself but this product does give a energy boost but all these other symptoms mentioned here I don’t get. Maybe you all should look at the time frame you are taking this pill. I mean, if you are taking a dose between 3-5pm then yes you should be up late at night as its like drinking 5 cups of coffee at that time frame.
    Also, look at what other things you are doing such as are you drinking cafeine liquids all day along with taking this pill? are you taking other pills with cafeine along with taking this pill? Alot of factors come into play so consider that before you take a pill for one day and act like your world is coming to a end. I have taken this for a few months and its the normal reaction thats less then what the old xenadrine did for me but its a good start for a energy/diet pill. I originally was skpetical but this pill does back up its claim to give energy which we all need to get in that extra mile or rep that we normally would skip.

    [Reply]

    Colin

    a few months? strictly speaking, this stuff is NOT good for your body. you really should not take it contiually for more than 8 weeks, and then take at least 6 weeks off before starting again.

    [Reply]

    Chi-Man

    Yes I too agree Colin. You should only take this product as it directed and plus it says clearly on the label. You can’t take this thing for months. With all its benefits it has side effects as well.

    [Reply]

    Anonymous

    8 weeks = 2 months which is the same as a few months.. chill

    Anonymous

    A few is three idiot. A couple=2=8 weeks…moron

  • 48
    Honeylove

    Hey, I have to say that I’ve been on this for 5 days and at first I had trouble sleeping. now I sleep well and I love the energy that it provides. I’m not checking my weight until the full 8 weeks I’m soooooo excited:)) Good luck everybody with your results

    [Reply]

    scooby girl

    can i eat anything or i have to go on a strict diet?

    [Reply]

  • 49
    Jennifer1983

    I’m a little concerned, this is my first day taking it,I took one pill this morning, I chose not to work out due to I didn’t know D4 would affect me…is it normal for my legs to go numb when I sit down for more that 5 minutes? This is not usual for me….is it just the energy boost saying i need to get up and move or what?

    [Reply]

    Felicia

    No, not normal for your legs to go numb, or at least mine haven’t. I’m taking d4 thermal shock and t7, my legs haven’t gone numb.

    [Reply]

    ivy101

    I had to stop taking it because it made my arms go numb.(i was using t7 and d4) listen to your body.. if it doesnt feel right then stop. everyone is unique, what works for one person may not work for another.

    [Reply]

    BDSgirl

    D4 made my arms and face go numb i would recommend you stop taking it… I am i was going to to shock because it was making me freak out

    [Reply]

    Anonymous

    With your blood vessels constricted while sitting and the constriction and increase bp that may happen..may want to discontinue..i am taking it with little neg side effects for about a week

    [Reply]

  • 50
    concerned husband#1

    My wife is bouncing off the walls. She complains of a restlessness that stretching, or excercise will not alleviate.

    [Reply]

  • 51
    Wendy

    i am on day 2 & it is making me nauseous. it this normal? b/c it is not fun. i am only taking 1 capsule

    [Reply]

  • 52
    Wendy

    I am on day 2 of taking 1 capsule & it is making me nauseous. is that normal & will it happen everyday or will i get used to taking it?

    [Reply]

    Heidi Lynae

    I get like that sometimes, I started taking my morning pill with a cup of cereal and skim milk and it stopped, I think it might have been because we weren’t eating as much as we should to start the day with. Just be sure you are giving your body enough food. I found it hard to eat because it my appetite is almost non-existant, but I hope the cereal helps!

    [Reply]

    Thea

    I’ve been taking this product for a few days now. Today I’ve been feeling really sick but I also got a bad cold. I’m still going to keep taking it to see if it goes away.

    [Reply]

    Ericka Watson Gray

    it can, i felt nausea at first but i fixed it by having my morning dose at 3:00am so i could lye back down as it goes through my system. i wake up have a balanced breakfast then workout!! See if this works for you, if not i’d discontinue until consulting your physician =)

    [Reply]

  • 53
    jared Kozak

    I got this stuff about a week ago and i love it. I have lost something like four pounds. it is by no means a magic pill but it does work if you work out while on it.

    I would say follow the instructions for the first dose if you dont know how you will be affected. I just had a little trouble falling asleep the first few nights but now im fine. Also make sure to DRINK LOTS OF WATER you cant drink too much.

    [Reply]

    tinareno

    i love this stuff. i never feel hungry, i have to tell my self to eat. but yes drink it with a glass of milk or piece of toast if your sensitive. lots of energy and on day4 lost 3lbs

    [Reply]

  • 54
    Doug

    Can this product affect natural testostrone flow?

    [Reply]