Xiangzhiling is an ALL natural, product, its main ingredient being Ganoderma Mushroom which fight with anything that does NOT belong to your body, Ganoderma recreates NEW White Blood Cells which are able to fight any Chronic diseases in illness in your body .The other two ingredients in Xiangzhiling are Wild Linden Honey and underground Water from Changbai Mountain in China, Because of its natural ingredients anyone can take Xiangzhiling, from small children to the elderly.