Regulations last checked for updates: Feb 07, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026
All TitlesTitle 21Chapter IPart 341Subpart B - Subpart B—Active Ingredients
View all text of Subpart B [§ 341.12 - § 341.40]
§ 341.18 - Expectorant active ingredient.

The active ingredient of the product is guaifenesin when used within the dosage limits established in § 341.78(d).

[54 FR 8509, Feb. 28, 1989]
authority: 21 U.S.C. 321,351,352,353,355,360,371
cite as: 21 CFR 341.18
© 2014 CustomsMobile | Disclaimer | Privacy | About