![DOCTORS BEST: Serrapeptase 40000Spu, 90 vc](http://upvitals.com/cdn/shop/products/khch00357024_1.jpg?v=1679342374&width=480)
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 Serrapeptase 40,000 SPU is formulated with Serrateric‚Ñ¢, a superior alternative to enteric coating that protects the individual enzyme until it reaches the intestine for optimal absorption.