Aller-Ease contains herbs that work to decongest and soothe the upper respiratory tract. Aller-7 is a proprietary blend of seven standardized herbal extracts clinically tested to promote good health. Ten years in the making, Aller-7 is manufactured by a unique, three-stage extraction process resulting in an all-natural, safe, effective and well-tolerated formula clinically proven to promote healthy respiratory and immune systems, promote clear airway passages and easy breathing, stabilize mast cells (which promote respiratory health), and neutralize free radicals, which can damage the body's respiratory and immune systems. This proprietary blend contains Phyllanthus emblica (fruit) extract, Terminalia chebula (fruit) extract, Albizia lebbeck (bark) extract and Piper nigrum (fruit) extract providing standardized levels of polyphenols, glycosides, piperine, gallic acid and gingerols.