Expectorant active ingredient.
21 C.F.R. § 341.18
in effectEffective: 2024-07-01The active ingredient of the product is guaifenesin when used within the dosage limits established in § 341.78(d).
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
