PLOS ONE, 17 (11), e0276814
Pregnancy and lactation safety has not been systematically studied, and as with most cosmetic and research compounds lacking definitive pregnancy safety data, conservative practice typically suggests avoiding use during pregnancy unless clearly needed, though the natural occurrence of GHK-Cu in the body and minimal systemic absorption from topical use suggest risk is likely to be low
Integrating Peptides, Repurposed Drugs, and Supplements for Metabolic Health Peptides: GLP-1 agonists, GHRH/GHRPs ,MOTS-c, SS-31 and their role in enhancing insulin sensitivity
"Gastric pentadecapeptide BPC 157 accelerates healing of transected rat Achilles tendon and in vitro stimulates tendocytes growth." Journal of Orthopaedic Research
Intravenous glutathione is considered the most effective method, as it bypasses the digestive system and delivers glutathione directly into the bloodstream for optimal absorption - but there are safety risks involved
