Does GHK-Cu help with performance?
Possibly — but there are few reports. 100% of 6 people who reported on GHK-Cu for performance say it improved. 0% noticed no change and 0% say it got worse.
High-risk compound. Not an approved supplement; serious risks and legal restrictions apply. Nothing here is a recommendation to use it.
Performance: what users report
100%better6 reports · few reports
6 better0 no change0 worse
What people say about GHK-Cu and performance
“I (60F) inject my test subject 4mg/day. Started at 2mg in January and have seen dramatic changes in overall skin density and texture. Ive lost 96 lbs in 9 months with no loose skin or hair loss.”
“I noticed changes in my skin especially my face starting at around 4 weeks in. When I first started injecting ghk. I saw thicker and denser hair within 4 weeks.”
What the research says
CResearch: Limited0 meta-analyses · 1 trials on PubMed
None of the top reviews we found look specifically at performance. See all research on GHK-Cu.
Side effects people mention
injection site 47redness 13stinging 11injection pain 8burning 8
What else is GHK-Cu used for?
Based on few reports — treat as anecdotal. Information only — not medical advice. How we count