What is USP 38? USP 38 refers to the Thirty-Eighth Revision of the United States Pharmacopeia and The National Formulary (USP–NF). The USP–NF is a compendium of public quality standards for medicines, dietary supplements, and food ingredients sold in the United States. It is published annually by the U.S. Pharmacopeial Convention (USP).
What is USP 38? USP 38 refers to the Thirty-Eighth Revision of the United States Pharmacopeia and The National Formulary (USP–NF). The USP–NF is a compendium of public quality standards for medicines, dietary supplements, and food ingredients sold in the United States. It is published annually by the U.S. Pharmacopeial Convention (USP).