CFR › Title 21 › Part 182 › §182.104521 CFR §182.1045Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Product. Glutamic acid.(b)[Reserved](c)Limitations, restrictions, or explanation. This substance is generally recognized as safe when used as a salt substitute in accordance with good manufacturing practice.