Updated: 02/18/2018

In the diet industry, don’t mistake marketing for effectiveness. With Regal Slim, we’ve spent lots of time creating an in-depth review that covers ingredients, side effects, and clinical support. We also examined multiple experiences around the web. We then summarized this information to give you the bottom line.

Regal Slim can be purchased through Amazon.

Regal Slim Readers: Click here to find out why we're giving away samples of our product, Burn HD.

What is Regal Slim?

Regal Slim is a dietary supplement manufactured by Regal Nutra LLC from California. They claim it is scientifically advanced and all-natural. Recently they’ve been making waves globally by claiming that their product will boost metabolism, burn fat, help reduce appetite, and help make you more confident, lean and help you along your weight loss journey.

The Regal Slim ingredients include:

Products Similar to Regal Slim

Mason Natural Garcinia Cambogiaread
Island Vibrance Garcinia Cambogia Super Strengthread
Supreme Garcinia Cambogiaread
Burn HD (Sample offer)read

Does Regal Slim Work?

The company claims that their Regal Slim diet pills work to enable stronger stamina levels, especially after a strenuous workout or any hectic activity. It does so by excessively combusting excess fats from tissue bearing fats while also eliminating the potential of cardiovascular diseases in the bloodstream through vessels dilating properties in the user’s body system.

The product contains high amounts of garcinia cambogia, a natural ingredient scientifically proven to assist in weight loss and increasing metabolism.

Each capsule of Regal Slim has about 800mg of active ingredients such as green coffee bean and PuraViv GCA. The manufacturer recommends taking one capsule twice per day.

The major Regal Slim ingredient found in the green coffee bean extract is chlorogenic acid which is readily absorbed by the body causing  mild dietary benefits.

Regal Slim protagonists believe that the pills break up fat cells with continuous usage by providing the necessary pressure you get from slimming workouts.  Presently, most experts around the world believe dieting and continuous exercise are key factors to losing fat.


How to Use Regal Slim

Regal Slim product is used for weight loss and suppressing one’s appetite.

This product is meant to be taken twice daily, 30 minutes before breakfast and 30 minutes before dinner. Results will only be visible with consistent usage.

Take note, however, that the company itself seems unlcear on dosage amounts. The product label shows the pill includes 766mg but the website claims it’s 1,000mg.

Where to Buy

Where to Buy Regal Slim Dietary Supplements?

Regal Slim is an over-the-counter diet pill available in most pharmacies. The supplement is also available online on the company’s official website for $89.97 for a one month supply.

Side Effects

Regal Slim Potential Side Effects

This dietary pill is not perfect, as it may include some unwanted side effects including severe headaches, nausea, and stomach pains after long term use. It contains Gelatin which is not vegan friendly.

If stopped suddenly, one may experience muscle pain and loss of appetite.

Is Regal Slim a Scam?

There isn’t any solid information available citing the effectiveness of the Regal Slim. What we do know is that it contains a high volume of garcinia cambogia, a natural slimming product. The other ingredients are just necessary for producing a fat-burning pill, meaning you are engaging in a gamble if you decide to invest in the product.

Some users claim that the company has unreliable customer service. If you have a question prior to purchasing the product, it could be difficult to reach a customer service representative.

Alternatives for Regal Slim

If you aren’t thrilled with the potential risks of Regal Slim, don’t worry! There are multiple safe alternatives that are said to provide the same results. These include:

Garcinia Pure

This very product is an extract from garcinia cambogia. For each serving as a full grown adult, choosing 1,000 mg and 50-60%, HCA would be preferable.


  • Lessens cholesterol levels
  • Reduces cravings
  • Burns excess body fat
  • Reduces obesity

Lean Health Garcinia Cambogia Extreme

This fat burning product is filled with potassium, chromium, hydroxycitric acid. One capsule per day is the recommended dosage.


  • Obesity reduction
  • Lessen cholesterol levels
  • Burning excess body fat

Source Naturals Garcinia 1000

Source Naturals Garcinia 1000 is mainly used for appetite suppression. It contains garcinia cambogia, sodium and chromium picolinate.


  • Reduced cravings

General Disadvantages of Regal Slim

  • Taking dietary supplements does not guarantee that you will eventually get to slim down.
  • They are potential risks, in an extreme situation, for heart attack and stroke. The main ingredient in diet pills are amphetamines that are capable of increasing the rate of heartbeats, thereby causing heart attacks and stroke.
  • Possible addiction.
  • Taking diet pills, especially fat blockers, may decrease the necessary nutrients needed to be absorbed, resulting in an stomach upset, constipation and frequent mood swings.
  • For most of these pills to completely take effect, you will need to make a few lifestyle changes by adding healthy eating, ample sleep and staying active.
Bottom Line

The Bottom Line on Regal Slim

The research mentioned above makes us feel uncomfortable giving this supplement a thumbs up, especially when combined with the poor comments on the Better Business Bureau website and the complete lack of online reviews. While we like the natural ingredients, we are skeptical about giving you the green light with Regal Slim.

As you seek reputable weight-loss supplements, we suggest doing your research and trying out formulas that are backed by high-quality scientific research. You’ll want supplements that cause no harmful side effects with plenty of positive reviews.

Among the best supplements we’ve seen this year is one called Burn HD. Its formula combines four ingredients chosen based on clinical research showing they can help with metabolism, hunger and fat loss so you reach your goals. It’s also impressive just how many users report seeing measurable, lasting results.

Also, the people behind Burn HD are so confident that you’ll love the product that they’re offering a 2-Week Sample which is something you don’t find every day.

Learn More About Burn HD »
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Regal Slim

What are the side effects of Slim Pills?

Regal Slim also referred as Slim Pills, side effects could include gas, diarrhea, stomach discomfort, irregular heartbeat, dizziness, headache, nausea, or skin irritation, based on the ingredients.

What are the ingredients in Slim Pills?

Regal Slim ingredients are Calcium, chromium, potassium, and garcinia cambogia extract.

How do I know if Regal Slim is right for me?

Choosing the right product is the #1 question asked by DietSpotlight readers. We recommend trying any product before buying it and know that finding a product with a sample offer is near impossible - so we created our own product, Burn HD, with scientifically backed ingredients.

Click here to get your sample of our powerful fat burner today.

Does Regal Slim work?

The only ingredient in Regal Slim is garcinia cambogia. There are studies showing the effectiveness of the extract on humans [1] [2]. On the other hand, there’s also research concluding that the herb may not product long-term results.

How much does Slim Pills cost?

A one month supply of Slim Pills costs $89.95.

How should I take Slim Pills?

It is recommended that you take one capsule, twice a day.

Where can I buy Regal Slim?

Regal Slim can be purchased through Amazon.

What company is behind Slim Pills?

Regal Nutra is responsible for making Regal Slim.

Where is Regal Slim manufactured?

Regal Slim is manufactured in the United States.

Regal Slim Ingredients

Regal Slim is a dietary supplement from Regal Nutra and contains the popular ingredient garcinia cambogia. The company claims it'll torch fat and transform your body.

Regal Slim Ingredients and Supplement Facts

Serving Size: 2 capsules
Serving Per Container: 30
Amount per Serving% DV
Calcium (as Calcium Carbonate)50mg6%
Chromium (as Chromium Polynicotinate)200mg170%
Potassium (from Potassium Citrate)50mg1%
Garcinia Cambogia Extract (as Fruit Rind Extract & Standardized 60% (-)-Hydroxycitric Acid)1000mg*

Other Ingredients: None

We looked into the Regal Slim Ingredients to give you the details you need.


One of the most essential nutrients for bone health, calcium helps to keep your bones healthy. It’s found in many foods and along with helping to keep your bones strong, calcium helps with communications between the body and the brain.

What is it Supposed to Do?

The mineral known as calcium aids the body in maintaining strong bones to help support muscles and the overall structure of the body.

Garcinia Cambogia Extract

A citrus fruit found in the Southeastern Asian region, Garcinia Cambogia is found in many weight-loss supplements. The extract contains hydroxycitric acid (HCA) and comes from the fruit rind.

What is it Supposed to Do?

The active ingredient found in garcinia cambogia extract is HCA. This ingredient has become very popular as a miracle weight-loss supplement. Citrate lyase is the enzyme that’s blocked.

Clinical Research

Clinical research has been able to prove that Garcinia cambogia extract helps animals lose weight. A study done in India also showed that HCA helps to decrease the BMI of those taking the supplement. It also showed that total cholesterol, serum leptin levels and low-density lipoproteins were reduced by taking HCA. [1]


A mineral helping to support the digestive system, chromium is found in many natural foods, such as potatoes, meats, molasses, spices and whole-grain breads.

What is it Supposed to Do?

The human body doesn’t require much chromium to function properly. Often, we get enough from regular foods and beverages, but chromium supplements do exists, usually as a part of a multivitamin. Chromium’s main function is to help support moving blood sugar from the bloodstream into cells so it can be used as energy.


An essential mineral the human body relies on for proper function, potassium is vital to overall health.

What is it Supposed to Do?

Potassium aids the body in many ways including helping with muscle contraction, regulating fluids and balancing body cells. It can also help with maintaining normal blood pressure.

Clinical Research

Studies have shown that potassium helps with bone health, high blood pressure, hypokalemia and a number of other health issues. It has even been linked to a higher risk of heart disease if the sodium-potassium ratio is higher within the body. [2]

We are all about limiting the risk of side effects when it comes to trying new weight loss products. One supplement we’ve been noticing in particular, Dietspotlight Burn, has four ingredients proven in studies to burn fat, boost energy levels and ignite the metabolism.

Regal Slim Scientific Abstracts

Garcinia Extract

Meta-analysis showed a minor, statistically relevant alteration in weight-loss which favored Garcinia extract over placebo (mean difference: −0.88 kg; 95% confidence interval: −1.75, −0.00). There were twice as many gastrointestinal events in the HCA (hydroxycitric acid) group in one study. It was concluded that the RTCs (randomized clinical trials) indicate that Garcinia Extract/HCA could trigger short-term weight-loss. The effects of these findings are small, and there is uncertainty in its clinical importance. Future studies should have better reporting with more rigorous testing. [1]

Numerous in vivo studies lent a contribution to the understanding of the antiobesity properties of Garcinia/HCA through a regulation of glucose uptake and serotonin levels. It has also been seen to assist the enhancement of fat oxidation while decreasing de novo lipogenesis. The results from clinical trials displayed both the negative and the positive antiobesity effects of this supplement. [2]

Subjects in both of the groups experienced substantial weight-loss throughout the 12 week treatment period (P<.001). However, between-group weight-loss differences were not major (mean [SD], 3.2 [3.3] kg versus 4.1 [3.9] kg; P=.14). No substantial differences in body fat mass loss percentage between groups were found, and the fraction of participant weight-loss as fat was found not to be influenced by treatment group. In conclusion, Garcinia cambogia had not created substantial weight-loss and fat mass loss beyond what was noticed in the placebo group. [3]

Irvingia gabonensis, chitosan, pyruvate, and CLA all seemed to be effective in weight loss through fat modifying mechanisms. The data presented on the usage of these products are limited. Numerous amounts of obese individuals use dietary supplements for weight-loss; however, there is little, clinical evidence to date which supports their use. There is a need for more data to determine the efficiency as well as the safety of these supplements. [4]

At the 16th week, G Cambogia treatment group experienced substantial reductions in visceral, total and subcutaneous fat areas in comparison to placebo (all indices P<0.001). There were no severe adverse effects noticed at any time, and no substantial differences in body mass index or body weight by the 12th weeks, however, there were minor numeric reductions in body weight and body mass index in men. No signs of rebound effects were noticed at week 12 through week 16. G Cambogia decreased abdominal fat buildup in participants who had visceral fat accumulation obesity. It is expected that this supplement could be helpful for preventing and reducing accumulation of visceral fat. [5]

Summer Banks Dietspotlight Author
About the Author:

Summer Banks, Director of Content at Dietspotlight, has researched over 5000 weight-loss programs, pills, shakes and diet plans. Previously, she managed 15 supplement brands, worked with doctors specializing in weight loss and completed coursework in nutrition at Stanford University. full bio.

28 Regal Slim Reviews

  •  I'm itching since I stopped taking it.
    Carolyn Mitchell (Verified User)

    I’m itching since I stopped taking it why?

    • Montana (Editor)

      Hi Carolyn. It sounds like you could have been having an allergic reaction to one or more of the Regal Slim ingredients.

  •  Help!
    Emily Fernandez (Verified User)

    How do I return the product.. Help

    • Summer (Editor)

      Sorry Emily. We are not affiliated with Regal Slim. We do know your packing slip should have the Regal Slim customer service phone number listed. That’s where you would start the return process.

  •  Horrible
    Damasa Desier (Verified User)

    This stuff is horrible , do not take, causes dizzy spells and gastric distress (Regal Slim) It did not help with weight loss.

    • Victoria (Editor)

      Hi Damasa! We’re sorry about the experience you had with Regal slim. If you didn’t achieve any weight-loss results, you might want to consider looking around for other products to help you achieve your goals. One product we’ve noticed helps with losing weight is Dietspotlight Burn; click to learn more!

  • Hope it works

    I order it . Trying to lose weight.

  • Sheriour Name

    This same thing happened to me over this last Christmas Holiday. This company needs to be reported about hanging up on you plus misguided information. Out slot of money. Don’t get fooled like I did.

  • Chris

    I’ve been excited about getting this product. I’ve been following the shipment,hopefully I will receive it tomorrow and then immediately sending it back after reading these horrific reviews. $90 a month,I don’t think so!

  • Cyndi

    where can u buy this?

    • Everly

      Hi Cyndi. It looks like this product is not available in other locations other than the manufacturer’s site. If your looking for something that’s more widely available, like on Amazon and other retailers, you might want to consider Dietspotlight Burn.

    • Johanna

      Dont u will regret it

  • sarah

    whatever you do do not order this product exclamation point they will take your money and not give it back I have just spent the last hour and a half on the phone arguing about what a free trial really means I ended up being charged $200 out of my bank account that I did not have so now I have service charges whatever you do do not order Regal Slim.

  • BARB

    Horrible!! Don’t order this product. Didn’t do s thing for me. They don’t tell you the real price. I was only given 75% back. Wouldn’t give me my whole refund.

  • Lorri C.

    This company and it’s products are horrible. I am a paralegal of 11 years. I read the “terms and conditions” before I ever entered my credit card info. There was nothing at that time about monthly charges or having to cancel after the ” free trial – only pay shipping and handling”. Since then, I have had four changes on my credit card for nearly $90 each. I called and complained several times, last call they said they would refund all four charges. That was a few weeks ago. Today, they said they will not refund the charges because I filed a dispute on the charges with my credit card company. They will offer half of your money back right away to make you go away….. Do NOT do business with this company. They have Regal Slim and Regal Trim.

  • Jennifer

    This product and company are a complete joke. Their customer service representatives are extremely rude. Stay away from this company!!!!

    • Lori

      I also canceled it all yet never received a confirmation on it. Ridiculous

  • Your Name

    I ordered it and paid the $6 and then I read the reviews and called 5 minutes later and told them to keep the $6 and the pills and the pills because I did not want to be charged and if I was not canceled I wouuld cancel my debit card I used so they could not charge me. I got sent the cancellation email and the confirmation email that my subscription was canceled. I still was sent the pills though but not charged the $90.

    • Krystal Callahan

      What number do I call for costumer service

  • carolyn

    i just ordered now i am scared after reading reviews howdo i stop my order.dont need this. Headache. Help please

    • Veronica

      Hi Carolyn. You can call the customer service department and cancel any recurring shipments.

  • Cindy

    I had the same problem they are only issuing me $44.98 per bottle. I had bad customer service too!.

  • barb

    Yep I’ve learned. Horrible company!!!!! Horrible customer service. When ordering they do not tell you your ordering not just one item but two. And your charged $89 per bottle. Had I seen that when placing my order of have cancelled out. Lesson learned!!!!

  • bertha copeland

    should people that have stage 3 kidney disease take regal slim

    • Veronica

      Hi Bertha! People with stage three kidney disease should consult with a physician before taking anything that could cause possible side effects.

  • Regal Slim/Regal Trim
    Eugenia English (Verified User)

    I have seen great results with regal slim and regal trim I’ve lost already approximately 10 pounds in 2 months I am experiencing some itching and nausea’s also diarrhea while taking this product.