Doctor's Best High Potency Serrapeptase 120 000 Spu - 90 Veggie Caps - Assorted Pre-Pack
From Macy's
Serrapeptase (serratio-peptidase) is a protein-digesting enzyme isolated from the friendly bacterium Serratia E-15 discovered in the Japanese silkworm, and has been used as a nutritional supplement in Europe and Asia for over three decades. Doctor's Best High Potency Serrapeptase 120,000 Spu is.