Between 2007 and 2016, the FDA issued warnings about unapproved pharmaceutical ingredients in 776 dietary supplements, according to a new report in JAMA Network Open. Of those, less than half received voluntary recalls. The authors compiled their data from the FDA’s own warning website. Known as the Tainted Products Marketed as Supplements List, it catalogs any time the FDA reports finding unapproved pharmaceutical ingredients in supplements. The hundreds of offending supplements the FDA found during that nine-year period traced back to 146 companies. These represent only a small fraction of the potentially hazardous supplements on the market.
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