BPC-157
What it is
A chain of 15 amino acids. The name stands for Body Protection Compound, and it was first described by researchers working with a protein from stomach juice. What is sold is entirely lab-made.
What has been studied
Mostly rats. The best-known tendon study, from the University of Zagreb in 2003, cut the Achilles tendon in rats and measured how the tissue looked and how much force it took to pull apart [1]. A 2025 review counted 36 published studies and found 35 were in animals or lab dishes [2]. A separate human paper followed two adults and tracked their blood tests [3].



