Sodium Ascorbate, USP is used to prevent or treat low levels of vitamin C in people who do not get enough of the vitamin from their diets. All Spectrum Chemical USP products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities. Synonyms: Ascorbic Acid Sodium Salt ; Monosodium L-Ascorbate ; Vitamin C Sodium