Collagen is a protein with a high tensile strength, providing structure and elasticity to skin, tendons, ligaments and bones
However, these were predominantly mild to moderate and transient

BPC-157 Mechanism Growth factor upregulation increases expression of VEGF, FGF, and other growth factors at injury sites Angiogenesis promotes formation of new blood vessels, improving nutrient and oxygen delivery to damaged tissue Nitric oxide modulation regulates blood flow and inflammation through the NO system Gut-brain axis derived from gastric juice, with particular affinity for GI tissue repair TB-500 Mechanism Actin upregulation increases production of actin, a key protein for cell structure, migration, and repair Cell migration promotes movement of repair cells (fibroblasts, endothelial cells) to the injury site Anti-inflammatory reduces inflammatory cytokines and dampens excessive immune response Systemic reach low molecular weight allows it to travel through tissues more easily than most peptides Combined Effect Multi-pathway repair addresses both the infrastructure (blood supply, growth factors) and the workforce (cell migration, tissue building) Broader tissue coverage BPC-157's gut and tendon affinity pairs with TB-500's muscle and joint effects Faster onset simultaneous action on different repair bottlenecks may accelerate overall healing timeline Reduced inflammation both peptides modulate inflammation through different pathways This isn't theoretical stacking the mechanisms are genuinely complementary

Anti-Inflammatory and Antioxidant Actions Beyond collagen modulation, GHK-CU reduces inflammation and oxidative stress
BPC-157 is intended exclusively for laboratory research and is not approved for human or veterinary use
Can be used on face, neck, dcolletage, and backs of hands anywhere you want rejuvenation