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Weight Loss Supplements Sold Online Could be Dangerous

Dec 23, 2008 | Parker Waichman LLP Some weight loss products being sold online pose serious health risk, the Food & Drug Administration (FDA) has warned.  The agency is warning consumers not to purchase 28 such weight loss products because they may contain undeclared, active pharmaceutical ingredients.

According to the FDA, these weight loss products, some of which are marketed as “dietary supplements,” are promoted and sold on various Web sites and in some retail stores. Some of the products claim to be “natural” or to contain only “herbal” ingredients, but actually contain potentially harmful ingredients not listed on the product labels or in promotional advertisements. These products have not been approved by the FDA, are illegal and may be potentially harmful to unsuspecting consumers.  

The weight loss products covered by the FDA warning include:

  • Fatloss Slimming
  • 2 Day Diet
  • 3x Slimming Power
  • 5x Imelda Perfect Slimming
  • 3 Day Diet Japan Lingzhi
  • 24 Hours Diet
  • 7 Diet Day/Night Formula
  • 7 Day Herbal Slim
  • 8 Factor Diet
  • 999 Fitness Essence
  • Extrim Plus
  • GMP
  • Imelda Perfect Slim
  • Lida DaiDaihua
  • Miaozi Slim Capsules
  • Perfect Slim
  • Perfect Slim 5x
  • Phyto Shape
  • ProSlim Plus
  • Royal Slimming Formula Slim 3 in 1
  • Slim Express 360
  • Slimtech
  • Somotrim
  • Superslim
  • TripleSlim
  • Zhen de Shou
  • Venom Hyperdrive 3.0
An FDA analysis found that the undeclared active pharmaceutical ingredients in some of these products include sibutramine (a controlled substance), rimonabant (a drug not approved for marketing in the United States), phenytoin (an anti-seizure medication), and phenolphthalein (a solution used in chemical experiments and a suspected cancer causing agent). Some of the amounts of active pharmaceutical ingredients far exceeded the FDA-recommended levels, putting consumers' health at risk.

The FDA said the health risks posed by these products can be serious; for example, sibutramine, which was found in many of the products, can cause high blood pressure, seizures, tachycardia, palpitations, heart attack or stroke. This drug can also interact with other medications that patients may be taking and increase their risk of adverse drug events. The safety of sibutramine has also not been established in pregnant and lactating women, or in children younger than 16 years of age.

Rimonabant, another ingredient found in these products, was evaluated, but not approved by the FDA for marketing in the United States. The drug, which is approved in Europe, has been associated with increased risk of depression and suicidal thoughts and has been linked to five deaths and 720 adverse reactions in Europe over the last two years.

The FDA says it has inspected a number of companies associated with the sale of these illegal products, and is currently seeking product recalls. Based on the FDA’s inspections and the companies’ inadequate responses to recall requests, the FDA may take additional enforcement steps, such as issuing warning letters or initiating seizures, injunctions, or criminal charges.

“These tainted weight loss products pose a great risk to public health because they contain undeclared ingredients and, in some cases, contain prescription drugs in amounts that greatly exceed their maximum recommended dosages,”  Janet Woodcock, M.D., director of the FDA's Center for Drug Evaluation and Research, said in a press release. “Consumers have no way of knowing that these products contain powerful drugs that could cause serious health consequences. Therefore FDA is taking this action to protect the health of the American public.”

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