(4) Loren Pickart and Anna Margolina (2018) Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data International Journal of Molecular Sciences, 2018 Jul, Volume 19 (Issue 7), Page 1987
A meta-analysis also suggests an increased risk of gallbladder or biliary disorders with prolonged or high-dose use (50)
Insulin sensitivity, insulin release and glucagon-like peptide-1 levels in persons with impaired fasting glucose and/or impaired glucose tolerance in the EUGENE2 study
A randomised trial showed a consistent signal of increased risk, especially with higher doses, longer use, and when rapid weight loss occurs
(PubMed) Tsuji PA, Santesmasses D, Lee BJ, Gladyshev VN, Hatfield DL
A glutathione S-transferase confers herbicide tolerance in rice