ghk-cu typical daily dose subcutaneous injection Peptides Before and After: Dosage, Benefits & How It Works for Skin and Hair GHK-Cu Dosage and Protocol: A

GHK-Cu (glycyl-L-histidyl-L-lysine-copper) is a naturally occurring tripeptide your body produces, but levels drop sharply with age, from roughly 200 ng/mL at age 20 to about 80 ng/mL by age 60

2 Results 2.1 Pharmacokinetic studies of BPC157 in rats The effective dose of BPC157 for the treatment of various injuries in mice, rats, and rabbits ranges from 6 to 50 g/kg ( The mean (+SD) plasma concentration of BPC157 versus time curves following administration of various BPC157 doses in rats are shown in Figures 1AC, and the corresponding pharmacokinetic parameters are presented in Tables 1Tables 3

Even a recent 2026 review concludes the same thing that GHK-Cu appears safe but the evidence is largely preclinical and comprehensive human RCTs are lacking (Wojcieszuk et al., 2026)

10.4254/wjh.v12.i5.184 43 KonosicS.PetricevicM.IvancanV.KonosicL.GoluzaE.KrtalicB.et al (2019)

Clinical trials exploring Dihexas effects on hearing and memory loss, are still limited, and more extensive studies are required to fully understand its therapeutic potential