Unlock your body's healing power with The Wolverine Stack: BPC 157 + TB 500 at Yada Clinic! BPC 157 A peptide derived from stomach protein, known for speeding up GHK Cu (copper peptide) is a science backed anti aging compound that supports collagen production, skin regeneration, and overall skin health. Used in both topical serums and subcutaneous GHK CU Topical Serum 30mL Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin