100% Natural. Regulate immune response in allergy conditions. AlergEase Herb Tea is made of wild scute, Solomon seal, polygala, astragalus and other precious herbs. They provide baicalin, baicalein, flavone, sitosterol, Vitamin B1, wogonoside, fatty acid, archiin, etc. Chinese medicine uses them to regulate the immune system, especially in allergy conditions and to remove wind- heat.