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Astimulant that athletes are barred from taking in international competition has been detected in 14 easy-to-buy supplements, according to a new study.
“The supplement label will often list a plant that it claims the drug is from,” said Dr. Pieter Cohen, an assistant professor at Harvard Medical School, who led the study. “But these are synthetic drugs.”
The substance, first developed in Europe, is known by several names: methylsynephrine, oxilofrine, and p-hydroxyephedrine, among others. It mimics the effect of amphetamines on the heart, and is not approved in the United States as either a drug or a dietary supplement. Nevertheless, it has become popular for weight loss and to enhance athletic performance.
The World Anti-Doping Agency, the Montreal-based group that works to reduce the use of drugs in sports, has banned oxilofrine from use in competitive games. Michael Kopech, a Red Sox pitching prospect, was suspended for 50 games last year after testing positive for the stimulant, although he asserts he did not intentionally take it.
Last week, the Food and Drug Administration announced it had warned seven companies that sell products containing methylsynephrine to cease selling it. The agency stopped short of calling it a drug.
buy Amphetamines sell online spokeswoman said staffers knew of 47 adverse reactions associated with the substance, but declined to give details. Cohen said his team, studying adverse events in the Netherlands, found links between methylsynephrine and nausea, vomiting, agitation, tachycardia, chest pain, and cardiac arrest.
Cohen’s study, published last week in the journal Drug Testing and Analysis, analyzed 27 brands of supplements labeled as containing the substance. Researchers found it in 14 different brands; dosages ranged from 0.0003 to 75 milligrams per serving. Of the brands that contained methylsynephrine, 43 percent contained what Cohen wrote was “pharmaceutical or greater dosages.”
Among the products containing the stimulant: Fastin, from Hi-Tech Pharmaceuticals; Lean Pills, from Line One Nutrition; Tummy Tuck, from TBN Total Body Nutrition; and Methyl Drive 2.0, by ANS Advanced Nutrition Systems.
Cohen said he was surprised that some manufacturers made no effort to hide their use of the stimulant and included it on their labels.
buy Amphetamines sell online “This could very clearly have strong effects on people’s health,” he said. “There’s no law saying that the amount of each ingredient needs to be on the supplement label, so it’s very possible that the supplements contain unpredictable and unknown doses of this foreign drug.”