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Fact or Fiction? Vitamins and Supplements Don't Have to Be Tested for Safety

Fact: Dietary supplements, including vitamins, don't have to be tested to be proven safe or effective before being sold. "You can't always be sure what the label says is what's actually in there unless you seek a product that has a quality seal issued by an organization such as U.S. Pharmacopoeia (USP), which sets standards for how these products are produced," says Delafuente. Several independent organizations offer quality testing to ensure a product was properly manufactured and contains the ingredients listed on the label. Organizations that offer such testing include US Pharmacopoeia, and NSF International.

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