USP-NF Online This link opens in a new windowStandards from the United States Pharmacopeia (USP) and the National Formulary (NF) for medicine, dosage, drugs, excipients, biologics, compounded preparations, medical devices, dietary supplements, and other therapeutics. To use: Create a free account using a Ferris email address but leave the "Subscription Key" field blank. Then activate that account from their confirmation email.