This includes GHK-Cu (Copper Tripeptide-1) and its structural analog AHK-Cu (Copper Tripeptide-3), studied more specifically for perifollicular vascularization see our AHK-Cu vs GHK-Cu comparison for the research differences
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Unraveling the molecular basis of substrate specificity and halogen activation in vanadium-dependent haloperoxidases
extreme tiredness (fatigue) shortness of breath chest pain or tightness problems with memory and concentration (brain fog) difficulty sleeping (insomnia) heart palpitations dizziness pins and needles joint pain depression and anxiety tinnitus, earaches feeling sick, diarrhoea, stomach aches, loss of appetite a high temperature, cough, headaches, sore throat, changes to sense of smell or taste rashes Ah