Maximum Strength Mucinex Extended-release Bi-layer tablets relieve chest congestion, thin and loosen mucus, and last for 12 hours. This product contains 28 bi-layer tablets. It can be used by adults and children 12 years of age and over.

Maximum strength Mucinex chest congestion medicine; Clinically proven to last up to 12 hours and provide relief for your severe chest congestion and make coughs more productive
Powerful symptom relief; Maximum strength Mucinex 12 hour relieves chest congestion and thins and loosens mucus
Unique bi-layer tablet; one layer for immediate release and one layer for extended release so the medicine starts to release right away and lasts for up to 12 hours so you can say goodbye to retaking medicine every four hours
Mucinex is a doctor-trusted* and pharmacist-recommended brand†
Contains Guaifenesin which is an expectorant that relieves chest congestion and thins & loosens mucus making cough more productive
Use as directed; Adults and Children 12 years of age and over
*IQVIA using ProVoice Survey, December 2022 †U.S. News & World Report/Pharmacy Times 2023-2024