600mg 12 HR 68 count 1 Pack

Relieves chest congestion^Thins and loosens mucus that causes chest congestion^Starts to work right away and lasts for 12 hours^Extended-release bi-layer tablet^#1 doctor recommended Mucinex is the #1 doctor recommended OTC expectorant among Internists General Practitioners and Family Practitioners. IMS Health NDTI (National Disease Therapeutic Index) MAT 52 Weeks Ending March 2011