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Slimaluma May Not Make You Skinny

 Oh, la, la…Will this supplement help me to slim down?

This article is one of the most popular on BrightonYourHealth. Readers, have you tried this product?  Does it work for you?  Doesn’t work?  Let me know your feedback, very interested in what you have to say!  I am not against using natural medications for weight loss, but I cannot sit back and let people buy weight loss products that do not work.  If you are interested in other health articles do not hesitate to check out what is on the site.

Slimaluma is the name for a new appetite suppressant extracted from an Indian plant called Caralluma fibriata.  Slimaluma, interestingly named perhaps for its anticipated properties of weight loss is manufactured by Gencor Pacific IncHave you heard of it?  Here is the web link to the company manufacturing the product.  Unfortunately, Slimaluma does not live up to its reported hunger suppressing and weight loss claims that the manufacturer wishes you to believe.

I have seen this product sold on websites and promoted as a new appetite suppressant.  It is claimed that Slimaluma works in two ways:  by blocking fat accumulation and by acting on areas in the brain that control satiety. BE CAREFUL!  First any product that supposedly works by altering brain function. People need to cautious when taking anything that directly affects the brain.   Secondly, guess what…it seems that this product doesn’t really live up to what it proclaims to do anyway.  Read on..

Gencor Pacific Inc. had recently applied to the EFSA (European Food Safety Authority)  to ask that they have the right to publish health claims for their product Slimaluma.  In Europe, any food or food supplement cannot claim to have health benefits that are not scientifically proven.  The EFSA is an organization that investigates these health claims using scientific experts from the field.  Gencor Pacific Inc. applied with the EFSA to promote Slimaluma as a supplement to decrease appetite, reduce body fat, reduce caloric intake, lose weight, and decrease waist circumference.  Each of those 5 claims was rejected by the EFSA.   In citing their decision, the EFSA  concluded that the investigational studies on Slimaluma did not demonstrate any proven effect on any of  these claims.  The authority did say, however, that Slimaluma taken for 60 days may show some benefit in appetite suppression, but this suppression did not lead to changes in the participants food intake.

Be aware that some weight loss products can advertise claims that are not always warranted.  This can give you false hopes with attempts to lose weight.  Everyone knows that the weight loss industry is a big market; and there are no quick fixes or easy solutions with losing weight.  Slimaluma just doesn’t seem to meet what it is proposing:  helping you to lose weight.  If you have used this product, I would be interested in your opinion!  Please leave me a comment or contact me by email.  And as always, thanks for reading.


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26 Responses to Slimaluma May Not Make You Skinny

  1. Tere F May 20, 2016 at 09:07 #

    I began having headaches about a week after starting caralluma fimbriata. They were just like the headaches I experienced when my blood pressure spiked because of steroids the doctor had given before we realized I couldn’t take them. Since quitting the suppressant, the headaches have ceased.

  2. caralluma fimbriata January 23, 2015 at 12:29 #

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    The problem is classically the idea of hunger when reducing the quality of
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  3. Mary Brighton January 20, 2013 at 16:33 #

    Hi Paul,
    I do know that Prader-Willi cases are rare, although I did work with some patients in the UK when I worked with the NHS.
    My previous comment was ambiguous, the study I mentioned was with the weight loss participants at Uni of Victoria. The study was in the link you passed on from Jan 6th (from yahoo).
    Yes, my comment on the price of the product was from some people who mentioned this on a forum about Slimaluma. Apparently you can buy it on ebay , but for a ‘pretty’ price.
    Warmly, Mary
    Mary Brighton recently posted..Keeping Your Weight Loss Goals, A Secret Letter To A Woman Who Did It

  4. paul clayton January 20, 2013 at 10:18 #

    Hi Mary,

    There are not too many Prader-Willi cases around – it is a rare condition, so a large scale study just is not possible. The results you describe refer to an earlier pilot study, and not to the ongoing P-W work. Small studies are a bug-bear in the supplements industry, it’s all a matter of money and what can be afforded; in the end we just try to do the best we can, with the funds available.

    I cannot comment on the pricing, as I have nothing to do with that; the prices for retail products include margins for the wholesaler and the retailer, and I consult only with the raw material manufacturer.


  5. mbrighton January 20, 2013 at 10:08 #

    Hi Paul, Thanks for your input and I appreciate you (again) informing your professional position to those who read your comment.
    I hope the Prader Willi trial will produce positive results. I also read the study that was done out of Victoria University. Unfortunately a small participant sample which means it is hard to completely rely on these results as ‘the golden rule.’ What was interesting in the study that was done, was that both the control and supplement group had the same results for weight loss, but the supplement group had less body fat distribution in the waist area.
    I also read that the product is quite expensive, as it (assumingly) made from fresh cactus extract. Am I wrong?
    Thanks for your input and will await with you with results from the Prader-Willi trials when they are published.

  6. mbrighton January 20, 2013 at 09:46 #

    Frank, thanks for your comment. Where are these infomercials being broadcast? We all want a product that will help lose weight, there are many scams on the market and too much money is being spent on products that promise too much but don’t deliver. I am always weary of infomercials, these commercials that look real but are basic advertising.

    If there are readers out there that have tried Slimaluma (with success or failure) please let me know your feedback.

  7. paul clayton January 20, 2013 at 08:22 #

    HI Frank,

    I understand your skepticism, there is a lot of junk science around especially in the slimming area. If you want to confirm your suspicions (or confound them) you can contact the University directly. The physician doing the work there is named and should be easy to find – I have not had any contact with him but he has been cited and has given an interview (or interviews) about his work.

    I was wrong to say that the work ‘shows that this herb is effective in the notoriously hard to treat Prader-Willi syndrome.’. It does not show this, in the sense that no results have yet been published; I believe they are still being generated and collated. And until they have been published, in a properly peer-reviewed journal, one should withhold judgement. I stand corrected, my enthusiasm got the better of me.

    I am aware, however, of feedback from parents of the children who are being treated with Caralluma fimbriata extract. This is is very substantial, in a condition where the placebo effect does not really exist and where there are currently no effective treatments.


    ps For the sake of transparency I would like to make my position clear. I was sufficiently impressed by the company behind this (Gencor Pacific) to start to work formally with them and am now acting as their lead scientist.

  8. frank January 20, 2013 at 01:22 #

    I must view with suspicion these ‘results’as they are only published on infomercial sites – thee is no record of them being published in any pages linked to vic uni – or for that matter any peer publications.

    sounds like those chain emails that go around, purporting to be from the federal police and telling us to pass it on.

  9. paul clayton January 6, 2013 at 11:37 #

    Hi Sam,,
    Your comment got pinged across to my email, thank you for your kind comments.

    The feedback to this site reflects the reality; Caralluma works for about 80% of cases but fails in the remaining 20%, and we still don’t know why. But its not surprising – there are few if any drugs that work consistently, in all subjects, there is so much human variability.

    As you’re an Ozzy, check out the Caralluma research at Victoria University in Melbourne; fascinating and important work which shows that this herb is effective in the notoriously hard to treat Prader-Willi syndrome. I’m not involved in this project, sadly!


  10. Sam January 5, 2013 at 18:04 #

    Dear Paul, Thank you for your informative, intelligent comments about slimaluma. I personally have a weight problem and have taken many appetite suppressants which i dont think did anything. But i do think Swisse’s Slimaluma has definately curbed my appetite. I tell you I have a strong one, it consumes me from morning to night. But even during the first and second day I did not have such strong hunger pains. This stuff ‘really’ does work. Straight away, not after 60 days. Well it did for me and my brother.

    And you are right Paul, we all should not assume and close our minds to new information about new (though these have been around for centuries) appetite suppressants. If this cactus product has been used for ‘centuries’ in India, logic indicates, it must do something, be effective at some degree. Even if it help us a little, it is better than nothing. We are not stupid, to think this will make us skinny or is the one solution, obviously exercise etc, but as I said some of us need a kick start or a little help is still help.

    One product may not work on everyone, but if it works for some, it is useful and should be sold. I do not work for the company, I live in Perth Australia, just a normal girl with a weight problem. It works for me. Its not medication, so most foods work on the brain, so if this does too, doesnt mean we shouldnt take it. Its a plant. Not a narcotic, toxic or dangerous product or it wouldnt have been used for centuries.

  11. australian fan October 29, 2012 at 13:20 #

    Hi, just thought I’d contribute that I have been taking this for 2 months and it has DRAMATICALLY reduced my appetite for snacking in between regular meal hours.
    It definitely has some kind of appetite sup-present because I have gone from one hungry guy that would snack rampantly throughout the day at work.(I’m in sales).

    I take it in a shake/drink form and it’s fantastic. Might not work for everyone and I’m skeptical of these herbs and natural things like this but I’m astounded at how much less food I’m eating. It seems to have curved my cravings for sugar particularly. I’m still taking carbs, but much less cereal and bread and I’m fuller for much longer.

  12. jimmy March 6, 2012 at 09:08 #

    The only reason I stumbled on to this page was to do further research after concluding the ingredient has no effect whatsoever on my appetite. I’ve tried 2 products from the Swisse range. I’m convinced that anyone who claims otherwise is either associated with one of the companies, or it is merely placebo.

  13. paul clayton September 20, 2011 at 07:49 #


    You talking to me? If so, you can contact me via Linkedin or find me on
    listed under Oxford Brookes Uni, but now at the IFBB (Oxford)

  14. GPOs September 19, 2011 at 13:03 #

    Have you ever thought about writing an ebook or guest authoring on other sites? I have a blog based on the same topics you discuss and would really like to have you share some stories/information. I know my subscribers would value your work. If you’re even remotely interested, feel free to send me an email.

  15. mbrighton March 31, 2011 at 15:57 #

    Dear Paul, Apologies for this late reply, was away doing some culinary research in Italy.
    Did some research on and still cannot find those studies you speak about in the peer-reviewed journals. Can you furnish names of the studies on a comment with links to journals showing the abstracts and some indication on which papers will be coming “in the pipeline”.
    I understand that Gencor was quite upset with EFSA’s decision to not approve its product. What a blow to the company. However I really believe that weight loss medicines, supplements, herbs, or products need to be fully investigated for the benefits/risks before they are released with a good name to the public. Even with an apparent “re-review” by EFSA Slimaluma was still not approved. I have found no further discussion from EFSA after May 2010 on Slimuluma. Am I wrong?
    You said your personal experience is that Slimaluma works. How long did you take it and how much weight did you lose?
    It crossed my mind to ask you for some samples-just to try the product to see if it really does cut hunger. But, no, I am too cautious to take anything that does apparently alter brain metabolism.
    This is what I have read on how Slimaluma works (copied and pasted from a website selling Slimaluma): “It is believed that caralluma fimbriata works by blocking the activity of several enzymes, which then block the formation of fat, forcing fat reserves to be burned. It is also believed that its function as an appetite suppressant is due to an effect it has on the appetite control mechanism in the brain. Essentially it makes your brain believe the body is hungry, resulting in you feeling full and eating less.”
    For me, you are messing around with nature to take a pill that apparently has these affects on your body. Also, what I understand is that Caralluma is not a food and it is used as an appetite suppressant during times of famine by tribes in India? It would seem very difficult to document toxicity in this environment.
    In conclusion, it seems to me that this natural plant probably has some effect on your body to help slow hunger. But promoting it as a weight loss supplement,attempting to market it as a real help to those trying to lose weight is not substantiated. In the end, without real lifestyle changes we know that these “quick fix” weight loss solutions are just a waste of money.
    Just my two cents. Waiting to hear yours back.
    Mary Brighton

    • paul clayton March 31, 2011 at 17:01 #

      Thanks for your feedback, Mary – always a pleasure to exchange views on the net with someone who is a) informed and b) not psychotic! Re the publications, you are looking in the wrong place – try pubmed, with 3 reports if you use Caralluma fimbriata as your basic search term. A 4th paper has just been accepted (I got the good news last week) in another USA-based peer-reviewed journal, and should be on PubMed by July. This was a fascinating study in which we showed that the herb was able to inhibit the differentiation of pre-adipocytes. This is a major new therapeutic action, and very exciting in obesity research terms.

      I repeat – the fact that this acts in the brain may sound scary but is not something to worry about unduly. I am originally a neuro-pharmacologist by training, and I can assure you that there are many foods that act in the brain! And I’m not sure what you have read about the uses of Caralluma but it is most definitely inter alia a foodplant. It is widely consumed in pickles – I have bought and eaten these in Hyderabad – as well as being used as a famine food and on occasion as a medcinal herb. Combination uses like these are quite common in Ayurveda and the other Indian medical schemata.

      My own experience with Slimaluma was purely for interest, and not from a desire to lose weight. After taking a couple of capsules I had no desire to eat for the next 36 hours or so, and therefore did not take any more, as I am already on the lean (OK, scrawny) side. It is also my experience that this stuff is not a panacea, and is relatively ineffective in about one in 5 subjects. This may be related to the degree of initial leptin resistance, although this is just a working theory.

      Most slimming aids (and all the pharmaceutical ones so far) are too problematic to be used widely, or long-term. They are either too toxic and/or insufficiently ineffective. Caralluma appears to square the circle, being both reasonably effective and safe. As such, it opens new possible strategies in the ongoing, and failing, war against obesity. I am all for being critical – nay, skeptical – and there is a lot of junk science out there; but we should also try to remain open to potentially relevant new information.
      Best regards,

  16. paul clayton March 22, 2011 at 18:36 #

    Let me declare an interest; I am one of the researchers on a few of the pre-clinical Caralluma papers. Having got that off my chest I can assure you that this stuff works in ex vivo, pre-clinical and clinical models – and last and least, in my personal experience and that of many of my colleagues. Check the developing literature (all in peer-reviewed journals), and there are more papers in the pipeline. EFSA made fools of themselves on this issue, and not for the first time. I also speak, by the way, as an ex-regulator.

    Secondly, your apparent concerns about Slimaluma acting on the brain are obviously from the heart, because many foods act on the brain (ie alcohol, coffee, fast release carbs, branch chain amino acids, omega 3 fatty acids – I could go on) – do you really believe these should all have warning labels? While we’re on the subject, please keep in mind also that Caralluma is a widely consumed food plant, and there are zero reports of toxicity. That is why is is a food, basically, as opposed to a medicinal herb.

  17. AB June 15, 2010 at 08:48 #

    I do not have access to the original letter but I think it’s fair to say that – as the industry journal – is not going to quote from a non-existent communication; I’m sure their reputation is more important to them than to risk such a thing. I’m also pretty certain that Gencor Pacific don’t hold the kind of influence over that would be necessary in order for them to publish a false story.

    This is an on-going issue and there will be further developments, the results of which should be in the public domain by the end of June. At that time, I fully expect Gencor Pacific to be rewarded for their persistance and that EFSA will be obliged to revisit their findings and pass Slimaluma fit for purpose.

    • mbrighton June 15, 2010 at 09:07 #

      Thank you for your comment. I will be waiting to hear for further developments on this topic. I am still cautious on believing that any letter was written…it is apparently “not available.” Plus, on the Gencor Pacific website, there is no discussion about this debate with EFSA nor is this letter published. Why not? I will keep watching out for the progress. In the meantime, I do know that many in the alternative medicine/supplements/vitamin industry must be frustrated with the EFSA way of approving these types of health remedies. It is scientifically hard to prove that there is a direct link between what an alternative medicine promotes to do and what it actually does. If you have any updated information in the next several weeks, do not hesitate to post it.

    • mbrighton June 14, 2010 at 14:08 #

      Thank you for the link. I actually had read this article before I replied to you. However, the article has one major flaw; the backlink to the letter that EFSA supposedly sent to Gencor Pacific is invisible. I cannot find this letter on this website, nor can I find it with additional searches on Google nor the Gencor Pacific website. In addition, there is no information on the EFSA website claiming their opinion on Slimaluma was flawed. Please furnish me with some more details and links..I cannot find them with my own searches. Thank you.

  18. AB June 9, 2010 at 16:09 #

    I assume at some point you will be amending this article to reflect that EFSA have admitted to errors in their adjudication? The clinical trial that took place in California showed a typical reduction of 9% in calorie intake (based on the recommended intake of 2000 calories for an adult female). Further, there was irrefutable evidence of waist size-reduction and it was only based on the latter claim that Gencor submitted Slimaluma for approval to EFSA in the first place. EFSA’s failure to grant a icence was based upon their own flawed comprehension of the application and had nothing to do with a lack of efficacy on the part of the product or evidence thereto.

    • mbrighton June 12, 2010 at 16:15 #

      Dear AB, I have searched for the evidence that EFSA has admitted to errors in accessing whether Slimaluma leads up to its health claims. I could not find this evidence. Please send me the link. I read that EFSA had sent Gencor Pacific a letter dated May 18, 2010 concerning this issue. I would assume that Gencor Pacific would have published this letter or discussed this letter; neither of which I could find on their website.
      I do know that many in the nutritional supplement industry are upset with how the EFSA assesses health claims. The latest meeting at EFSA, in Parma, Italy on June 1st tried to address and calm down some of those in the industry who do not agree with how the EFSA analyzes data. Please send me links on what you said in your comment and I will be happy to publish them. My role is to tell the whole story, without any outside influence.
      Thank you for commenting,


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