MUCINEX® Bi-layer MOA video

See the MUCINEX® Bi-layer MOA video and learn how the MUCINEX® patented bi-layer tablet has an immediate release layer that disintegrates fast and an extended release layer that lasts for 12 hours.

Guaifenesin is an expectorant that helps address bothersome mucus,a cause of chest congestion and cough

See how guaifenesin works