Mucinex 600 mg Extended-Release Bi-Layer, 20 Tablets

Helps thin and loosen to support productive and clearer breathing. Features a patented bi-layer tablet design with one immediate-release layer and one extended-release layer for up to 12 hours of action. For adults and children 12 years and above: take 1–2 tablets every 12 hours, maximum of 4 tablets per day. Not for use by children under 12.