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About the Compound GHK-Cu is the copper(II) chelate complex of the human tripeptide glycyl-L-histidyl-L-lysine (Gly-His-Lys)

The ageing systemic milieu negatively regulates neurogenesis and cognitive function

It is of higher quality because the body does not need to convert it

In a meta-analysis that pooled findings from six randomized controlled trials with a total of 301 participants, vitamin D was found to reduce migraine frequency, number of days affected by migraine, and migraine-related disability scores (Hu 2021)

If fatigue is ongoing, unexplained, or affecting your quality of life, it may be worth exploring whether B12 deficiency is a contributing factor