The average person in good health can expect to experience around 165 needle sticks during their lifetime
The supportive argument may be that BPC 157 by itself induces NO-release (demonstrated from gastric mucosa supernatant), like L-arginine, but also in conditions where L-arginine is not working [14]
Domest Anim Endocrinol (1991) 8:55563
They have different mechanisms and different evidence bases
DPA treatment has been shown to be associated with an increased risk of autoimmune diseases other than MG or lupus, such as glomerulonephritis, Goodpasture syndrome, vasculitis, polymyositis, ulcerative colitis, multiple sclerosis, polyarthritis, psoriasis, serpiginosa perforans, pemphigus, pemphigoid, and epidermolysis bullosa [65]
Research shows injectable GHK-Cu can increase collagen I production by up to 70% in dermal fibroblasts and boost elastin synthesis by 30% across all tested concentrations