If you’re looking for the toughest chest congestion medicine to break up the mucus that’s bothering you, call in Maximum Strength Mucinex. One dose of Maximum Strength Mucinex starts to work fast and lasts for 12 hours.*
- Relieves chest congestion caused by excess Mucus
- Thins & loosens mucus
- Starts to work right away & lasts for up to 12 hours
- Maximum Strength, Extended-release bi-layer tablet
- Mucinex is the #1 doctor recommended OTC expectorant among Internists, General Practitioners & Family Practitioners
Ingredients Active Ingredients: In Each Extended-Release Bi-Layer Tablet: Guaifenesin (1200 mg).