functions of glutathione biological function Roles in animals Antioxidant defense 9 Health Benefits of Glutathione – Essential Glutathione | Optimal Health

This selectivity means dosing follows different principles than other peptide protocols

Glutathione is a compound naturally produced by the body

GHK-Cu for Tissue Repair Commonly associated with skin regeneration Often discussed for collagen synthesis and fibroblast support Frequently researched for scar appearance and dermal remodeling More often tied to surface-level or cosmetic-facing regenerative goals BPC-157 for Tissue Repair Commonly associated with tendon and ligament recovery models Often discussed for muscle and joint support Frequently researched for gut and systemic recovery pathways More often tied to deep tissue and structural repair discussions In practical terms, GHK-Cu vs BPC-157 often comes down to collagen/skin remodeling vs musculoskeletal/systemic recovery

& Zhu, Y

At low concentrations, it increases MMP1 and MMP2, which break down damaged or disorganized collagen and elastin