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Sibutramine in supplements: the hidden drug in weight-loss products
Sibutramine in supplements is an unapproved drug ingredient that FDA has found hidden in weight-loss products that never list it. In FDA warnings from 2007 to 2016, it appeared in 269 of 317 tainted weight-loss products. You cannot spot it by looking, so short labels, modest claims and a pharmacist check matter.
Written by the Jellutide label deskUpdated · 4 min read
The basics01
What is sibutramine in supplements?
Sibutramine in supplements is a drug ingredient that does not belong there. Researchers who studied FDA warnings call it an unapproved pharmaceutical ingredient, and the products that held it did not list it on the label (Tucker 2018, JAMA Netw Open).
FDA gives a plain example. A product sold as an all-natural weight-loss supplement was found to contain sibutramine. FDA warns that hidden drug ingredients can lead to serious side effects and even hospital stays (FDA, Hidden Ingredients).
That is why the word "natural" on the front of a bottle tells you little. NCCIH makes the same point: natural does not necessarily mean safe, and some weight-loss products have been found tainted with prescription drug ingredients (NCCIH, Weight Control).
The numbers02
How often is sibutramine found in weight-loss products?
Very often. Between 2007 and 2016, FDA warnings named 776 adulterated supplements, and 317 of them were sold for weight loss. Sibutramine was in 269 of those 317 (Tucker 2018, JAMA Netw Open).
The same study found a second hidden drug, phenolphthalein, in 75 of the weight-loss products.
| Finding | Count | Share |
|---|---|---|
| Adulterated supplements in FDA warnings | 776 | All |
| Sold for weight loss | 317 | 40.9 percent of all |
| Weight-loss products with sibutramine | 269 | 84.9 percent of weight loss |
| Weight-loss products with phenolphthalein | 75 | 23.7 percent of weight loss |
| Products with more than one unapproved ingredient | 157 | 20.2 percent of all |
Only 360 of the 776 products, 46.4 percent, were tied to a voluntary recall (Tucker 2018, JAMA Netw Open).
Warning signs03
Can you tell if a supplement hides a drug?
No. A hidden ingredient is hidden by definition, and FDA says its database of tainted products covers only a small fraction of what is sold (FDA, Hidden Ingredients).
FDA does list signs that should make you slow down. Weight loss is one of the categories to be wary of, and so are these:
- Claims that seem too good to be true
- Labels built on "herbal" or "all natural" wording
- Many rave reviews
- Claims that a factory has FDA approval, since FDA does not approve facilities (FDA, Hidden Ingredients)
Jellutide: from $49 a bottle30 gummies · 2, 3 or 6 bottles · free shipping on 3 or 6 · 60-day guarantee
See packsWhat to do04
How do you lower the risk of a hidden drug?
Buy less hype and ask more questions. Pick a product with a short label and modest claims, read the real Supplement Facts panel, and show it to a pharmacist along with your medicine list.
Ignore the front of the bottle
Turn it over and read the facts panel and the other ingredients.
Ask your pharmacist
FDA says mixing medicines and supplements can endanger health (FDA, Using Dietary Supplements).
Stop if something feels wrong
Call your doctor, and keep taking prescribed medicine as directed.
Thinking about Jellutide?Check your medicines first. These are the two packs that ship free; the 60-day money-back window starts when the package arrives.
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Applied05
Where does Jellutide stand on hidden-drug risk?
We cannot prove what is inside any bottle. The Jellutide label lists apple cider vinegar and BHB salts in a 525 mg blend, and no lab report has been published.
The lot number J-26/GO-1161 is a seller reference, not lab proof, and the label names no factory.
Read the full supplement facts breakdown and our testing and quality notes before you decide, and read the bottle that arrives. Keep taking any prescribed medicine, including a GLP-1 medicine, exactly as directed.
FAQ06
Hidden drug questions
What does sibutramine do?
Sibutramine is a drug ingredient, which is why it should never be an unlisted part of a supplement. The research on FDA warnings classes it as an unapproved pharmaceutical ingredient (Tucker 2018, JAMA Netw Open). Because buyers do not know it is there, they cannot weigh its risks or tell their doctor.
Why do weight-loss supplements contain hidden drugs?
The studies do not give the makers' reasons. They show the pattern: weight-loss products were 40.9 percent of adulterated supplements in FDA warnings from 2007 to 2016 (Tucker 2018, JAMA Netw Open). FDA does not approve supplements before sale, so nobody tests a bottle first (FDA, Using Dietary Supplements).
What should I do if I took a tainted weight-loss product?
Stop taking it, keep the bottle and lot code, and call your doctor or pharmacist. Do not stop prescribed medicine. FDA explains how to report a problem with a dietary supplement (FDA, Using Dietary Supplements).
Who wrote this07
Written and reviewed by
Pages built from the bottle label, the sales page and linked NIH, FDA, CDC, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by a USA authorized Jellutide retailer, not by the manufacturer or the distributor. We earn money when you buy through our order links.
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