If you take supplements, look for products with the "USP Verified" mark, which means they meet standards of quality, purity, and potency set by the nonprofit U.S. Pharmacopeia. Some marketers of ...

USP Verified products are also safety-tested. Nature Made Multi for Him 50+ and Kirkland's Signature (distributed by Costco) are two USP Verified multivitamins for men over 50. In choosing the ...

Oddly, that was one of few tested products labeled "USP Verified," which indicates that the USP has tested and verified the claimed ingredients, potency, and manufacturing process. Bottom line.