First, the copper ion is photochemically active, so prolonged exposure to UV or visible light can drive degradation of the GHK-Cu complex
It is widely used to support energy metabolism, improve nerve function, enhance appetite, and prevent vitamin B-complex deficiencies
Carnitine may also improve blood flow and oxygen supply to working muscles by increasing nitric oxide production, which supports both endurance and recovery
Chearwae W, Shukla S, Limtrakul P, Ambudkar SV (2006) Modulation of the function of the multidrug resistancelinked ATP-binding cassette transporter ABCG2 by the cancer chemopreventive agent curcumin
Curr Pharm Des 22:812818
Huo Z, Yu L, Yang J, Zhu Y, Bennett DA, Zhao J