Report to Congress comes ahead of expected changes to oversight of supplement industry
WEDNESDAY, May 26 (HealthDay News) -- A Congressional investigation of dietary herbal supplements has found trace amounts of lead, mercury and other heavy metals in nearly all products tested, plus myriad illegal health claims made by supplement manufacturers, The New York Times reported Wednesday.
The levels of heavy metal contaminants did not exceed established limits, but investigators also discovered troubling and possibly unacceptable levels of pesticide residue in 16 of 40 supplements, the newspaper said.
One ginkgo biloba product had labeling claiming it could treat Alzheimer's disease (no effective treatment yet exists), while a product containing ginseng asserted that it can prevent both diabetes and cancer, the report said.
Steve Mister, president of the Council for Responsible Nutrition, a trade group that represents the dietary supplement industry, said it was not surprising that herbal supplements contained trace amounts of heavy metals, because they are routinely found in soil and plants. "I dont think this should be of concern to consumers," he told the Times.
The report findings were to be presented to the Senate on Wednesday, two weeks before discussion begins on a major food safety bill that will likely place more controls on food manufacturers, the Times said. The newspaper said it was given the report in advance of the Senate hearing.
How tough the bill will be on supplement makers has been the subject of much lobbying, but the Times noted that some Congressional staff members doubt manufacturers will find it too burdensome.
At least nine misleading health claims were noted in the report, which was prepared by the Government Accountability Office (GAO). These claims included assurances that the products could cure diseases, such as diabetes, Alzheime
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