However, potential side effects can include: Nausea or dizziness (rare) Headaches Injection site irritation Overstimulation or fatigue if overdosed There are no long-term human trials, so effects on hormones, organs, or chronic use remain unknown
T his hormone increases during childhood, peaks at puberty, then drops from middle age
Microb Cell Fact 15 , 38 (2016)
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GHK-Cu improves overall skin appearance, stimulateswound healing, protects skin cells from UV radiation, reduces inflammation and free radical damage, and increaseshair growth and thickness, enlarging hair follicle size