Peptides XBody Health, Wellness & Spa NJ How Metabolic Peptides Help Regulate Age Related Weight Gain GHK Cu Copper Peptide 100MG Planet Peptide GHK Cu Tydes Peptides are often well tolerated, but they can still cause temporary reactions while the body adapts. Some commonly reported effects include: BPC 157 headaches, nausea, increased appetite TB 500 Meet the Glow Peptide Your new inside out radiance booster. This powerful blend of GHK Cu, BPC 157, and TB 500 works to: Stimulate collagen & enhance skin elasticity Brighten skin, improve tone