The evidence is there
Carlberg M, Nejaty J, Froysa B, Guan Y, Soder O, Bergqvist A
How PlexusDx Supports a More Personalized Approach PlexusDx's Precision Peptide Genetic Test includes assessment of antioxidant and metabolic pathway variantssuch as glutathione synthase and glutathione S-transferase polymorphismsthat may provide context for your individual glutathione status
Eat your protein before anything else so you get it in while you still have room
It is cost-effective, widely available, well studied, and easier to justify than more expensive creatine forms that claim superior absorption without strong supporting evidence

Mechanistic and preclinical data suggest reduced fibrosis, improved closure quality, and balanced remodelling References References Regenerative & protective actions, gene-level mechanisms (review) Copper peptides in skin anti-aging/cosmetics (review) PubMed record of GHK-Cu review Narrative reviewmusculoskeletal healing, angiogenesis, anti-inflammatory actions Orthopedic sports medicine overview (preclinical + early clinical signal) BPC-157 Functional/therapeutic overview of T4 TB-500 in repair/regeneration (review) Landmark Nature paper TB-500cardiac cell migration/survival & repair Synonyms: Bpc-157, 137525-51-0, Bepecin, Bpc 15 TB500, 885340-08-9, UNII-QHK6Z47GTG, QHK6Z47GTG GHK-Cu acetate, 300801-03-0, TB-500, copper;acetic acid, 2-6-amino-2-[[(2S)-2-(2-aminoacetyl)azanidyl-3-(1H-imidazol-4-yl)propanoyl]amino]hexanoate, GHK-Cu acetate, Gly-is-Lys-Cu(II)