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July 15, 2010: 11:12 AM EST
A wide variety of popular weight loss supplements tested in two placebo-controlled human studies found no evidence that any of them helped people slim down and more than a placebo. The studies, presented at the International Congress on Obesity in Stockholm, Sweden, found that fake supplements did about the same as the popular supplements sold in pharmacies and health food shops. One study tested nine popular supplements, including LCarnitine, polyglucosamine, cabbage powder, guarana seed powder, bean extract, Konjac extract, fiber pills, sodium alginate formulations and selected plant extracts against a placebo. A second study reviewed the similar findings of other research on nine supplements, including chromium picolinate, Ephedra, bitter orange, conjugated linoleic acid (CLA), calcium, guar gum, glucomannan, chitosan and green tea.
IASO, "New research finds no evidence that popular slimming supplements facilitate weight loss", Press release, conference of the International Association for the study of Obesity (IASO), July 15, 2010, © IASO
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