Allerease is a unique, patented blend of seven standardized herbal extracts clinically tested to promote respiratory health and normal breathing seasonally and all year round. Allerease is all-natural, safe and effective in helping to promote healthy respiratory and immune systems, promote clear airway passages and normal breathing, stabilize mast cells (which promote respiratory health), and neutralize free radicals, which can damage the body's respiratory and immune systems. Allerease contains standardized levels of chebullic acid, corilagin, 1,3,6,-trigalloyl glucose, gallic acid, ellagic acid, 6-gingerol and piperine extracted from: