Mucinex Maximum Strength Extended-Release Bi-Layer Tablets provide 12-hour relief from chest congestion. Each tablet contains 1200 mg of guaifenesin, an expectorant that thins and loosens mucus in the airways, making it easier to cough up and clear chest congestion.

The unique bi-layer tablet technology features an immediate-release layer that dissolves quickly for fast relief, plus an extended-release layer that continues working for up to 12 hours. This allows for convenient dosing of just one tablet every 12 hours instead of multiple doses throughout the day.

Adults and children 12 years and older should take one tablet every 12 hours, not exceeding two tablets in 24 hours. Tablets should be swallowed whole with a full glass of water and not crushed, chewed, or broken. Do not use for more than 7 days unless directed by a doctor. A persistent cough may be a sign of a serious condition. Do not use if pregnant or breastfeeding without consulting a healthcare professional. Keep out of reach of children.