Slim Success 900 is a diet pill made in France. Although most of the sites selling it online are targeting French speakers, a few sites are trying hard to gain a foothold in the UK by providing product information in English.

The sites that do this also allow customers to pay for Slim Success 900 and other French diet pills in British pounds instead of Euros. That’s pretty good because it makes it possible for UK-based customers to buy diet pills from France without having to worry about currency conversion fees when they pay with their British debit or credit cards.

But the big question is, how good is Slim Success 900?

I’m going to begin this review by admitting I don’t think Nutreov Slim Success 900 is a particularly good fat burner. It does provide some good ingredients though. If you use it with diet and exercise, you will probably lose weight a little bit faster.

Slim Success 900 is also a pretty cheap fat burner to use. For a lot of people, that may be part of its appeal.

My Nutreov Slim Success 900 review will answer most of the questions you have about this popular French diet pill and help you decide if it’s likely to be a good fit for your needs.

At the end of the review, I will also recommend a good Slim Success 900 alternative and explain why I believe you will be better off choosing it instead.


Who Makes Slim Success 900?

Slim Success 900 is manufactured by Nutreov Laboratoires. The company is based in Clermont-Ferrand, France. It was founded over 20 years ago and is on a mission to produce high-quality products powered by natural ingredients. The company’s products are available in many French pharmacies and are also distributed via several online supplement stores.

Nutreov is the company behind many popular European over-the-counter health and wellness brands including Optinuit (supports restful sleep), Phyto-Rub (for respiratory discomfort), and Triolinum (eases the symptoms of menopause).

Slim Success is the company’s weight-loss brand. At the time of this review, Nutreov was offering four Slim Success weight management supplements:

  • Slim Success3+ (appetite suppressant)
  • Slim Success XP Extra-Fort (a calorie blocker that limits fat absorption)
  • Slim Success Perte de Poids (a triple-action diet pill)

The fourth product, Slim Success 900, is the subject of this review.


Promised Benefits & Results

  • Burn your fat to lose weight
  • Helps reduce your appetite with wakame extract
  • Prevents fat accumulation with turmeric extract
  • Promotes weight loss with guarana extract


Who Can Use Slim Success 900?

Slim Success 900 is suitable for most people who want something to make it easier to lose weight. It’s vegan-friendly and free from gluten and lactose.

However, the formulation contains a source of caffeine so Slim Success 900 won’t be suitable for you if you are very sensitive to stimulants or prefer to keep your life stimulant-free.

Nutreov points out Slim Success 900 is not intended for children, adolescents, or women who are pregnant or nursing a child.

The company also states the formulation is not suitable for long-term use. Many people who require supplements like Slim Success 900 have a lot of weight to lose and will need something that can assist them for a long time. So, unless you only need to drop a few pounds, Slim Success 900 won’t be a good option to choose.

If you are using blood-thinning medications or have hyperthyroidism, Nutreov recommends against using Slim Success 900.

The company issues this warning due to issues that may result because the formulation contains wakame seaweed extract.

All things considered, I think it’s probably a good idea to check with your doctor before using this supplement. It never hurts to get expert medical advice.


How Do I Use Slim Success 900?

The dose is two capsules in the morning and two more capsules at noon. Nutreov points out the need to take the capsules with water and suggests you do so just before eating a meal.

It also warns against leaving the second dose until later in the day. The caffeine in the capsules has the potential to prevent you from getting to sleep.


How Does Slim Success 900 Work?

Slim Success 900 is marketed as an Expert brûle-graisses (fat burner).

However, like Slim Success Perte de Poids, it’s designed to provide weight loss support in three main areas. It’s not a basic fat-burning diet pill.

Fat burners provide ingredients that increase metabolism. They generally increase thermogenesis too. By doing these things, they raise your basal metabolic rate, causing you to use more energy than normal. When you use a good fat burner alongside diet and exercise, it helps you to burn more fat than you would be capable of burning without it.

The difference is not huge but it’s enough to help you reach your target weight a little faster.

However, Slim Success 900 further assists weight loss by controlling hunger and preventing fat accumulation.

Appetite suppression is very useful. If Slim Success 900 can deliver the goods as a hunger suppressor it will make it easier to eat less without feeling hungry, giving your diet a greater chance of success.

I’m not sure what Nutreov means when it says the turmeric in Slim Success 900 will prevent fat accumulation. The product information on the company’s website does not explain. However, I know turmeric is a good ingredient. Research proves its potential as a weight loss aid.

I also know there are issues regarding the human body’s ability to absorb the active compound in turmeric. Nutreov has failed to tackle these issues so the turmeric in Slim Success 900 is unlikely to offer much benefit.

I’ll explain this in more detail shortly when I take a look at the ingredients and what they can do.

Things to Bear in Mind

Like other weight management products, Slim Success 900 is a supplement. It’s important to understand what a supplement is and never to see any form of supplement as a magic pill.

The word “supplement” refers to something you get or use in addition to something else. For instance, Some people work two jobs to “supplement” their income.

Diet pills and other weight loss supplements, supplement the efforts you are already making by controlling your diet.

In this case, it’s important not to see Slim Success 900 as a product that provides an excuse not to try and eat healthy foods. The pills will work best if you use them alongside a healthy diet that contains nutritious foods that are low in fat and sugar.


What are the Ingredients In Nutreov Slim Success 900?

Four capsules per day provide:

  • Wakame (420 mg)
  • Turmeric (60 mg)
  • Green Tea (225 mg)
  • Caffeine (150 mg)
  • Guarana Seed Extract (26.4 mg)
  • Choline (84.5 mg)
  • Fruit Pectin (100 mg)
  • Chromium chloride (40 µg)
  • Vitamin B3 (8 mg)
  • Vitamin B6 (0.7 mg)
  • Vitamin B1 (0.55 mg)
Nutreov Slim Success 900 Supplement Facts
Slim Success 900 Supplement Facts

What Can the Ingredients Do?

We’ve lifted the hood to see what’s inside. Now let’s take a look at the guts of this Nutreov fat-burning motor and see it’s likely to make you a slimming success.



Wakame (Undaria pinnatifida) is species of edible seaweed. It’s a popular food in Japan, Korea, and many other Asian countries. It has a distinctive taste, is low in calories, and provides several important nutrients.

Wakame seaweed is also a good source of iodine. By providing extra iodine, it may have the potential to encourage weight loss in people who are iodine deficient.

The thyroid gland requires sufficient iodine to remain healthy and for manufacturing the hormones thyroxine (T4) and triiodothyronine (T3).These hormones help govern metabolism. When iodine deficiency causes the thyroid to produce less T3 and T4 it can slow down your metabolism making you more prone to weight gain.

Needless to say, if your metabolism is slow, it will also be much harder to lose any weight you have already put on.

(Further Reading: Thyroid Gland Overview at Endocrine Web)


Wakame seaweed also contains another compound that may assist weight loss. It’s called fucoxanthin. Studies on rodents suggest fucoxanthin may assist fat loss while also limiting fat storage. (Fucoxanthin-rich seaweed extract suppresses body weight gain and improves lipid metabolism in high-fat-fed C57BL/6J mice)


Although the results from studies such as the one I link to above are promising, there is a need for study involving humans. At the moment all we can be certain of is Wakame’s value as a fat burner for mice and rats.

Nutreov states its using Wakame to suppress appetite.  It’s unlikely to be capable of this. Seaweed is high in fiber. That makes it good for making your stomach feel full when you add a portion  to your meals. There won’t be a lot of fiber present in the extract used in this pill.



Turmeric (Provides Curcumin)If you only know Turmeric is a cooking spice you have only been told part of the story. In addition to being good in curries, it’s also good for your health.

The medicinal value of turmeric is due to a compound called curcumin. Research shows curcumin reduces inflammation, supports improvements in brain function, and is good for your heart.

Curcumin has value in a lot of other areas as well, including weight loss. A systematic review and meta-analysis of 21 studies supports the value of curcumin as a weight loss aid.

Unfortunately, the presence of turmeric is unlikely to offer much value here. Curcumin is very poorly absorbed. When you consume turmeric most of the curcumin normally passes through the body untouched. The best diet pills offer a combination of turmeric/curcumin and piperine.

Piperine is an alkaloid in black pepper. Research shows piperine can boost curcumin absorption by a massive 2,000 percent.

Some manufacturers use standard black pepper extracts but most of them use Bioperine.

Bioperine is a branded ingredient that’s standardized to contain at least 95 percent piperine. Slim Success 900 does not have any piperine in it.


Green Tea

Green tea is a thermogenic fat burner. It helps you to burn more calories by increasing metabolism and thermogenesis.

Green tea’s ability to boost weight loss in this way is largely due to the antioxidants it contains. These are known as green tea catechins. Researchers believe the most important green tea catechin is epigallocatechin gallate (EGCG).

(A Review on the Weight-Loss Effects of Oxidized Tea Polyphenols)



Caffeine is a stimulant that’s often present in diet pill formulations. Although a minority of people do not tolerate caffeine well, most people can reap its benefits without experiencing any side effects at all when it’s provided in sensible doses, as is the case here.

Caffeine is an energy booster that can help prevent diet-related fatigue. It also sharpens mental focus. That’s never a bad thing.

Caffeine also increases energy expenditure by boosting metabolism and thermogenesis. Several studies prove its ability to work in this way.

However, the results of one study suggest caffeine’s ability to boost weight loss may be more pronounced in normal-weight people than it is in the obese. (


Guarana Seed Extract

Guarana is a tropical berry that provides caffeine but releases it slowly. It’s good for providing long-lasting stimulation.



Choline is a popular supplement ingredient. It serves many roles in the body and is integral to many biological processes. One of the things it does is help maintain cell membrane integrity.

Research involving martial artists suggests choline may have the potential to support rapid weight loss but the dose the athletes received was much greater than the dose Slim Success 900 provides.

The athletes in the study got two grams of choline per day. Slim Success 900 only provides 84.5 mg.  (


Fruit Pectin

Pectin is naturally occurring in many fruits and vegetables. Apple peel is often seen as a particularly good source but citrus peels are much better.

Apples are only around 1 to 1.5 percent pectin. Citrus peels are often around 30 percent pectin.

Pectin is mainly used as a gelling agent in jams and jellies. Its ability to absorb water and jellify makes it a useful appetite suppressant because, when your belly fills with jelly, it feels full causing your hunger to diminish.

Glucomannan suppresses appetite in a similar way but its abilities are far superior to those of pectin.

The dose here is an issue too. One hundred milligrams isn’t enough to provide much help at all. Diet pills that provide glucomannan generally provide one full gram per dose and, as already mentioned, glucomannan has the advantage of being more powerful than pectin.


Chromium Chloride

Chromium is a popular diet pill ingredient. It’s a mineral that improves insulin resistance and blood glucose control. Its ability to do this may allow it to prevent the sugar and carb cravings that sometimes occur after meals.

Some research suggests chromium may also be capable of reducing normal hunger cravings as well. (


B Vitamins (B1, B3, B6)

B vitamins serve many different roles in the body. Manufacturers often add B vitamins to diet supplements because they help the body extract energy from food. B vitamins are added to sports supplements and energy drinks for the same reason. (


Are There Any Customer Reviews?

Customer reviews are a bit of a mixed bag. Some people say the pills are helping them to get where they need to be, others say they do nothing at all.

Slim Success 900 Customer Reviews
(Customer Reviews Translated from French to English Using Google Translate)


Does This Supplement Cause Side Effects?


None of the customer reviews I read mentioned side effects but the formulation contains caffeine and caffeine has several side effects including jitters, nausea, and headaches.

However, Slim Success 900 only provides 150 mg of caffeine per day and it’s split between two doses. That means you are only getting 75 mg per dose. That’s not a great deal. A shot of espresso coffee provides a similar amount. (

Most people can handle a lot more caffeine than this supplement provides. Some people, myself included, regularly drink five or more cups per day. Unless you are very sensitive to stimulants, the amount of caffeine in Slim Success 900 is unlikely to present any problems but it may be a good idea to be careful about taking the pills alongside tea, coffee, or other additional sources of caffeine.

Slim Success 900 also contains wakame seaweed extract. Although, it can be beneficial, using wakame and similar seaweeds in supplements can present a few health-related issues.

The amount of iodine in seaweed extracts can vary significantly. The same type of seaweed harvested from a different area or on a different day may contain a higher or lesser quantity of iodine than if it were harvested at a different time or in an alternative place.

This is an issue because consuming too much iodine can be damaging to the thyroid and may lead to a condition known as hyperthyroidism. It’s treatable, but avoiding health issues is always preferable to treating them.

Seaweed can also absorb heavy metals such as lead and mercury from the sea. Research suggests the amount of contaminants it absorbs may not be high enough to worry about but many people still prefer to use seaweed and seaweed extracts sparingly or not at all.

Health Considerations

If you are pregnant or nursing a child, please don’t take any kind of supplement without getting clearance from your doctor first.

If you have an existing medical condition of any kind at all, it would also be unwise to use supplements without checking with your doctor first.

Certain supplement ingredients can present interaction issues when combined with medication. It doesn’t matter if the medication has been prescribed by a doctor, a dentist, or another medical professional. If you are taking medication, don’t use it with supplements without asking a doctor first.

*Information on the Diet Pill Ninja website is not intended to be a substitute for professional medical advice.

Where is the Best Place to Buy Slim Success 900?

If you live in France, you may be able to buy Slim Success via your local pharmacy. However, if you live in France, it’s unlikely you would be reading a Slim Success 900 review written in English. You’d probably be seeking one written in French instead.

If you are reading this review from within the UK or elsewhere in the World, it’s probably best to buy Slim Success 900 from the Cocoon Center online french pharmacy. The site is written in English and allows you to pay for your orders in GBP. It also offers international delivery options to countries all over the world.

At the time of this review (June 2021), the Cocoon Center price for a box of Slim Success 900 was just under £25. Postage and packaging costs add a little more to the total cost but this French diet pill is still a pretty cheap fat burner to buy and each box provides 120 capsules. That’s enough to allow you to take the recommended four capsules per day for a month.


Is There a Money-Back Guarantee?

Nutreov Laboratoires doesn’t appear to offer a money-back guarantee.


Slim Success 900 Review: Diet Pill Ninja Conclusion

The Diet Pill Ninja: Honorable Diet Pill ReviewsNutreov Slim Success 900 is a pretty cheap fat burner to buy but, it does not compare well to some of the other options available.

The green tea and caffeine in the formulation will undoubtedly provide a decent metabolism boost but the formulation could be made stronger by the addition of a decent appetite suppressant, such as glucomannan or capsicum extract.

Capsicum would be a particularly good addition because as well as being good at suppressing hunger, it’s a powerful fat burner.

The Capsimax form is particularly potent. Many of the best diet pills use it. Capsimax would be an excellent alternative to Wakame. It’s safe and effective, and human-based research proves that it works.

Wakame’s abilities are questionable at best. A few studies show the fucoxanthin it provides can slim the waistlines of rodents. So what. People aren’t rodents and most of us don’t eat like mice. Hence the need for a powerful appetite suppressant.

The iodine Wakame seaweed provides may be of benefit to people who are iodine deficient, but won’t do a lot for anyone else and may have the potential to cause problems further along the line.

Seaweed extracts are somewhat trendy these days but their value is questionable.

Turmeric would have been a valuable addition but without any piperine to help the body absorb it, its value quite literally goes down the toilet.

The B vitamins will work well alongside caffeine to help prevent fatigue but this is a pretty poor formulation so it’s not surprising there is such a poor customer response.

The other problem with Slim Success 900 is, by Nutreov’s own admission, it’s unsuitable for long-term use. This is probably due to issues regarding consuming Wakame long-term. None of the other ingredients are likely to cause problems if you use them for a long time. Especially not in the doses provided here.

If you only need to lose a few pounds, are willing to put in the work with diet and exercise, and don’t normally struggle with hunger, Slim Success 900 may offer limited value. But, if you have a lot of weight to lose and/or anticipate a long weight loss journey, you will need a stronger product. One that you CAN use long-term.


​Capsiplex: A Good Alternative to Slim Success 900

Box of Capsiplex Fat BurnerIf you have been considering buying Slim Success 900, you are probably primarily seeking a good fat burner. I recommend Capsiplex.

A 30-day supply of Capsiplex only costs a little more than a box of Slim Success 900 but it’s possible to take advantage of special on-site deals that provide extra value for money.

If you buy two boxes, Capsiplex will be considerably cheaper to use because you will get a third box thrown in for free. It gets cheaper still if you take advantage of the opportunity to get five boxes for the price of three.

I like to good deals like that. I also like to see a money-back guarantee. Capsiplex has one and it’s good for 60-days.

The 60-day money-back guarantee allows you to buy in confidence because, if you aren’t happy, you can get your money back.

As the name suggests, Capsiplex provides capsicum as Capsimax. It’s one of the best natural fat burners money can buy, it controls hunger, and you can use it for as long as you need to.

Buy Capsiplex Read My Capsiplex Review

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