The skin benefits from glutathione when used on the skin daily
GHK-Cu research peptide with verified Certificate of Analysis
[7] Some groups of peptides include plant peptides, bacterial/antibiotic peptides, fungal peptides, invertebrate peptides, amphibian/skin peptides, venom peptides, cancer/anticancer peptides, vaccine peptides, immune/inflammatory peptides, brain peptides, endocrine peptides, ingestive peptides, gastrointestinal peptides, cardiovascular peptides, renal peptides, respiratory peptides, opioid peptides, neurotrophic peptides, and bloodbrain peptides
BPC-157 (Injectable) BPC-157 shows promise in preclinical models for muscle healing and recovery but lacks human clinical evidence