ACTIVE INGREDIENTS: Amazon Basic Care Mucus DM contains Dextromethorphan HBr 30 mg (a cough suppressant) and Guaifenesin 600 mg (an expectorant), which compare to the active ingredients in Mucinex DM 12 HOUR RELIEF: Provides up to 12 hours of chest congestion relief; gluten-free expectorant and cough suppressant EXPECTORANT: Helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive COUGH SUPPRESSANT: Temporarily relieves cough due to minor throat and bronchial irritation that may occur with the common cold or inhaled irritants; controls the impulse to cough to help you get to sleep; provides cough relief for 12 hours EFFECTIVE: Amazon Basic Care Mucus DM is a cough suppressant/expectorant that helps to thin and loosen mucus and control a wet and dry cough; temporarily relieves the intensity of coughing