Dietary Supplement Pharmaceutical GradeSerracel Supports: Sports injuries Healthy sinus activity Free joint mobility Muscle tears and pulls Surgical recovery Normal fluid retention (swelling)Serracel contains 99.99% pure Serratiopeptidase (also known as Serrapeptase), a proteolytic enzyme extracted from the microorganism, Serratia E15. Certain proteolytic enzymes may break down mucus and inflammation related to injury and infection. Serracel may be safely taken by those suffering from a wide range of autoimmune conditions to aid in facilitating a normal inflammatory response. Serracel can be safely taken with other Arthur Andrew Medical products.