Regal Slim Review (UPDATED 2021): Don't Buy Before You Read This!

Expert rating: stars-icon     By Richard (Senior Reviewer) October 13, 2020       Advertising Disclosure

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Regal Slim is a weight loss supplement made to boost metabolism, burn fat, and help tone the body. Their formula is said to be “scientifically-advanced” and all-natural.

No added fillers or binders are added, and they boast that their formula is made in a GMP certified facility. They even offer to send a trial bottle to consumers as long as shipping and handling is paid for. Individual results can vary however, though the company says’ they are confident weight loss results are possible. Out of all weight loss supplements we’ve reviewed this year, Sletrokor was by far our favorite.

This natural weight loss pill has a unique blend of extracts that can help you lose weight and keep it off. We’ve linked the official Sletrokor website where you can read testimonials and learn more about its formula.


The supplements facts has a clear listing of what’s inside and it includes:

Garcinia Cambogia Extract (60% HCA Concentration)
Calcium Carbonate
Chromium Polynicotinate

Garcinia Cambogia Extract (60% HCA Concentration): A tropical fruit that is native to Indonesia. It increased in popularity the past few years due to a studies emphasized by Dr. Oz which revealed how in the right concentrations it can support fat loss.

It can also be used to help regulate cholesterol and blood sugar levels, which can further assist in weight loss progress.

The active compound responsible for these effects is HCA or hydroxycitric acid. By blocking an enzyme referred to as citrate lyase, it can help stop the fat creation process. Appetite suppression is also possible since it can affect brain chemistry and the sensation of hunger.

The amount used is most important as a high HCA extract can best deliver benefits. When used in controlled amounts it’ likely to be safe as directed.

In order to get the best results the makers of Regal Slim suggest 2 capsules, which is claimed to be 1,000 mg worth. Oddly enough, the supplements facts list actually shows that there is less than 1,000 mg, so it’s unknown why they market it was having 1,000 mg.

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Calcium Carbonate: Commonly found in rocks such as limestone, this makes up animals shells. Within it is calcium and it is most commonly used as an antacid supplement. Taking too much in supplement form can cause what is known as milk-alkali syndrome, which can be potentially fatal and may cause irreversible harm.

This may also result in other symptoms:

  • Liver issue, renal failure, and dehydration.
  • Altered mental state, vomiting, and stomach pain.

In order to help avoid these potential damaging effects, regulating calcium intake may be necessary.

Chromium Polynicotinate: Mineral that is issued to help regulate blood sugar. It is bound with the mineral niacin, which is intended to boost the effects of chromium.  This can also help the body metabolism protein, carbohydrates and fat, so it’s better used by the body.

Large amounts can potentially lead to some side effects:

  • Indigestion, interference with prescriptions, and kidney disease.
  • Difficulty thinking, loss of coordination, and headache.

Check out our list of the top rated weight loss supplements as reviewed by our team.

EDITOR’S TIP: Combine this supplement with a proven fat burner such as Sletrokor for better results.


At the amount offered this supplement is likely to be free of any serious side effects. It’s still important to watch out for additional calcium, chromium, and niacin intake, since this can raise levels to a toxic degree. There’s also no real need to have any more added minerals to this, and the added HCA should have been enough.

The added Garcinia Cambogia extract is a great addition to any weight loss program since it has an array of fat loss benefits.

The only additional needed knowledge is whether or not they extract it from a good source. Since they do make the formula in a GMP certified facility, this ensures that the quality is consistent.

Another issue lies in the fact that they have differing statements on the total Garcinia Cambogia strength. It’s more than likely much less than what is advertised, as their supplements facts list would be more accurate than their marketing claims.

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This is where a major issue begins. They only allow sells for people who engage in their auto-mastic billing program. So you sign up for the fee trial which lasts 18 days, and of you do not call cop cancel out can expect a charge of $89.97 every 30 days.

It’s highly questionable why any company would only offer trial programs and not just single bottle purchases. The only reason why a company would do this is to lock people into a guaranteed billing cycle, so you at the very least are forced to pay a full amount. This gives the appearance that there is no risk involved, and that you can cancel at will.

While this may be true, many scamming supplement companies will do the same but instead of offering a return; they will continually bill you and charge a high amount.

For what you’re getting this is also exceptionally pricy. Each bottle lasts 30 days so you can average the cost to $2.99 a day, much more so than other brands with the exact same formula. It’s unclear why this is much more expensive.

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They are known as Regal Nutra LLC and to reach them they offer:

Phone Number: (800) 398-3087

Address: 1601 n Sepulveda Blvd #763

Manhattan Beach, CA 90266

Email: [email protected]

Returns are only offered for an unused bottle and only for 1 bottle within 30 days of the purchase date. They do not offer any money back if you tamper at all with the supplement. So to take advantage of the return you’d have to get more than one bottle and not try the rest.

They also have a trial program which is he only selling option.

The company has many serious negative reviews on their Better Business Bureau page:

“Charged me $180 without my authorization”

“Called to cancel within the allotted time but they refused me and said they will not refund me”

“If you call and cancel within the 18 days they will say that their system is down, and they won’t give you a refund”

Repeatedly there were major issues with the lack of customer service support, and of being denied refunds even if one is still under the allotted return window period. This makes sense with the way most claimed free trials work. Consumers were greatly inconvenience and they often advised others to not do business with them,

Our featured top 10 list offers you great insights and summaries of the best weight loss pills seen this year.

EDITOR’S TIP: For the best results, our experts recommend using weight loss pills for at least 3 months. Save your money by buying a few bottles at once.


Not many reviews were found online but here is what is available:

“did not work at all would not advise you use it”

“not effective at all and they don’t refund your money”

At the time of this review there were only 2 reviews, and each one was negative. No side effects were mentioned but they did adamantly state that there were no weight loss benefits.

The reason why consumers failed to give much notice of its effects was due to concerns about the company practices.

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How Does Regal Slim Compare?
  • Product Name
  • User Rating
  • Has Good Appetite Suppressant
  • Has Only Natural Components
  • Contains No Coffee
  • Regal Slim
  • 40 /100

Regal Slim does provide 2 nutrients and a healthy ingredient in Garcinia Cambogia. This is a great way to lose weight, but unfortunately there weren’t many reviews about its effects. There’s also the major issue with several complaints customers had with the lack of a money back return policy, and of being automatically billed without their consent. They were unable to get a refund even if they were still under the claimed 18 day return window period. There was a lot of disappointment since they felt the company was lying to them, saying their system was down and finding various reasons why they could not allow for returns.  You also can’t get a return if you open or tamper with the bottles.

Our pick as the best weight loss supplement of the year is Sletrokor, and that’s due to its rave reviews and great blend of ingredients. Users said how their appetite was suppressed, that they were able to keep their weight loss results, and that it made them feel livelier. This is because of all the plant based extracts which were reviewed in 3rd party studies.

The company also ensures that the quality is consistent by making it in a facility that is approved by the FDA. The official Sletrokor website offers even more information about Sletrokor, and you can analyze testimonials.

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