aFLpituaurr, uiuuiaHuuiiuSiapuu uo -r : Medical Devices apparatus, similar article, or component thereof recognized in USP-NF. There is no comparable recognition of USP's standards-setting authority and ability to define a medical device as exists ror other FDA-regulated therapeutic products. Dietary Supplements The Dietary Supplement Health and Education Act of 1994 a,nendments to the FDC Act name USP-NF as the official compendia for dietary supplements. the dietary supplement must be represented as conforming to a USP-NF dietary supplement nonognph.