The key to these effects lies in the L-lysine residue within the GHK peptide, as similar analgesic and anti-aggressive effects were observed with L-lysine administration at equivalent doses
Moisturises the skin
Medicine and Science in Sports and Exercise, 36, 2073-2081
41-44 For this reason, Life Extension suggests most individuals strive to keep homocysteine levels below 12 mol/L, with less than 8 mol/L being considered ideal (although the latter may be difficult for some people to attain)
Maruyama T, Maruyama N, Higuchi T, et al
Notwithstanding epithalons strong safety record, researchers should note that administering the peptide via subcutaneous injection may cause reactions like itching, swelling, pain, or inflammation at the injection site