Welmate Mucus Relief | Guaifenesin 1200 mg Maximum Strength | 100 Count GUAIFENESIN 1200 MG EXTENDED RELEASE TABLETS – Maximum strength 1200 mg guaifenesin tablets last 12 hours. Product Details BrandWELMATEManufacturerWELMATEProduct TypeCough Medications #1 PHARMACIST RECOMMENDED: Guaifenesin is recommended by pharmacists as the #1 ingredient to loosen mucus and make coughs more productive.12 HOUR RELEASE: Maximum strength, bi-layer tablets offer extended release for up to 12 hoursRelieves Chest Congestion, Thins & Loosens Mucus, Immediate and Extended ReleaseCompare to Active Ingredient in MucinexGuaifenesin is recommended by pharmacists as the #1 ingredient to loosen mucus and make coughs more productive. Check out my other items. -Powered by