Active Ingredients: In Each Extended-release Bi-layer Tablet: Dextromethorphan Hbr (30 Mg), Guaifenesin (600 Mg). Purposes: Cough Suppressant, Expectorant. Inactive Ingredients: Carbomer Homopolymer Type B, D&c Yellow 10 Aluminum Lake, Hypromellose Usp, Magnesium Stearate, Nf, Microcrystalline Cellulose, Nf, Sodium Starch Glycolate, Nf.