Zinc competes with copper for absorption in the gastrointestinal tract, and prolonged excessive zinc intake can lead to copper deficiency
BPC 157 was used in the same regular regimens (10 g or 10 ng/kg, per-orally/intragastrically), shown to be effective in all BPC 157 studies (5, 9)
GLOW is a three-peptide combination vial built around one dominant skin-and-recovery molecule, GHK-Cu , supported by two repair peptides, BPC-157 and TB-500
Selina, N.N
More recent controlled trials confirm it improves wrinkles, dermal density, and firmness over 12-24 weeks, with significant improvements in skin texture and firmness (particularly with the higher 0.1% concentration)
Abdou AG, Eldien MM, Elsakka D (2015) GLUT-1 expression in cutaneous basal and squamous cell carcinomas