What side effects are associated with GHK-Cu?

Across 139 first-hand community reports, the most-mentioned side effects themes for GHK-Cu are: injection_site_reaction, water_retention, fatigue, mood_changes. These are aggregated community experiences with linked sources — not medical advice or clinical findings.

Educational use only — not medical advice

Community-reported · 139 reports

GHK-Cu side effects

Aggregated from first-hand community reports with linked sources. Educational only — community experience is not clinical evidence or medical advice.

injection_site_reaction
24 mentions
source 1 source 2 source 3
water_retention
2 mentions
source 1 source 2
fatigue
1 mention
source 1
mood_changes
1 mention
source 1

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