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Laboratory Monitoring Serum copper and ceruloplasmin measurement is warranted if a patient uses high-dose or prolonged systemic GHK-Cu, because supraphysiologic copper loading can cause hepatotoxicity and neurological symptoms

Ill give it one more month, provide another update

Fresh GHK-Cu has a characteristic blue tint

These circadian regulators are also regulated by melatonin to alleviate oxidative stress and attenuate cognitive impairment after sleep deprivation (Chang and Guarente 2013