PEPTIDES Everyone's hyped about peptides these days like BPC 157 and TB 500 the so called Wolverine stack But there's a good reason no legit human data exists. No real evidence of good reliable BPC 157: Tendon Repair and More BPC 157 Before and After: 1 Amazing Transformation Peptides are short chains of amino acids that act as signaling molecules, basically telling your cells how to function. Your body makes them naturally, but stress, poor sleep, aging, and chronic inflammation