PubMed: 26787572Clinical (RCT / meta-analysis) ref-9.Papi A, Di Stefano AF, Radicioni M Pharmacokinetics and Safety of Single and Multiple Doses of Oral N-Acetylcysteine in Healthy Chinese and Caucasian Volunteers: An Open-Label, Phase I Clinical Study
You may experience a sense of warmth or tingling during the infusion, which is normal and temporary
As a GHS, it has been shown to enhance muscle growth and performance, thus prohibited by the World Anti-Doping Agency (WADA)
PLoS One 11 (8), e0161208
April 2026 Category 2 Update On April 15, 2026, the FDA confirmed removal of injectable GHK-Cu from Category 2 because the original nominations were withdrawn
10.3389/fphar.2019.00404 438 TouchefeuY.MontassierE.NiemanK.GastinneT.PotelG.Bruley des VarannesS.et al