Photo 1 of Mucinex 12 Hour 600mg Maximum Strength Guaifenesin Chest Congestion & Mucus Relief, Guaifenesin Expectorant Aids Mucus Removal, Chest Decongestant for Adults, Dr Recommended, 100ct Tablets 07/2026

Double tap image to zoom

Photo 1 of Mucinex 12 Hour 600mg Maximum Strength Guaifenesin Chest Congestion & Mucus Relief, Guaifenesin Expectorant Aids Mucus Removal, Chest Decongestant for Adults, Dr Recommended, 100ct Tablets 07/2026Photo 2 of Mucinex 12 Hour 600mg Maximum Strength Guaifenesin Chest Congestion & Mucus Relief, Guaifenesin Expectorant Aids Mucus Removal, Chest Decongestant for Adults, Dr Recommended, 100ct Tablets 07/2026