StacksVerified U.S. regulatory reference

21 CFR §582.5590

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Product. Phenylalanine (L- and DL-forms).
  2. (b)Conditions of use. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice.