Occasionally, there may be slight redness or tenderness at the injection site, but this will fade quickly
10.1038/sj.mp.4001953 220 OgawaS.LozachJ.BennerC.PascualG.TangiralaR
Look out for these signs: Severe dizziness or vertigo that lasts for more than a few minutes Difficulty walking or maintaining posture Loss of consciousness or fainting spells Confusion, disorientation, or difficulty speaking Weakness or numbness in the face, arm, or leg If you or someone you know has these symptoms, get medical help right away
The injections are basically pain-free apart from a stinging sensation or a little prick observed when they are administered
Monitor for allergic reactions
Researchers interested in the longevity implications of peptides often include GHK-Cu in their protocols for this reason