Dietary supplement.Combination of two enzymes: Serrapeptase (serratiopeptidase) a protein-digesting enzyme isolated from the friendly bacterium Serratia E-15 discovered in the Japanese silkworm and Nattokinase also a protein-digesting enzyme that is derived from ''natto'' a fermented soy food popular in Japan.Nattokinase is free of vitamin K.Helps maintain healthy circulatory system.*Supports normal immune system/function.*Contains soy.Non GMO.Gluten free.Suitable for vegetarians.Other products from HerbsPro