21 C.F.R. § 341.18 Expectorant active ingredient.
Title 21 - Food and Drugs
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]
Title 21: Food and Drugs
PART 341—COLD, COUGH, ALLERGY, BRONCHODILATOR, AND ANTIASTHMATIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
Subpart B—Active Ingredients
§ 341.18 Expectorant active ingredient.
