U.S. Pharmacopeia (USP) is an independent, nonprofit, scientific organization that sets quality standards for medicines, dietary supplements and food ingredients worldwide. USP’s quality standards are enforceable in the United States by the Food and Drug Administration and integrated into law in more than 40 countries. These standards, which are continuously developed and revised by more than 800 volunteer experts in science, industry, healthcare and academia, are also used in more than 150 countries.