In experimental stroke and reperfusion injury models, the peptide has been reported to reduce tissue damage and support recovery, possibly through improved cerebral blood flow and anti-inflammatory activity (7)
However, persistently high serum B12 levels warrant medical investigation, as they may indicate liver disease, kidney dysfunction, or haematological disorders rather than simple overconsumption
Within sensible limits, the basics help your body hold its levels: a diet that includes B12 sources if you are not vegan, limiting heavy alcohol use, and not smoking, since both affect how you absorb and store nutrients
Lifespan and healthspan extension by resveratrol and related dietary stilbenes: Mechanisms and potential
The consensus is that GHK-Cu can enhance results, but it usually complements other therapies (like vitamin supplementation, topical agents, or healthy lifestyle) rather than serving as a standalone fix