Peptides are small chains of amino acids that help your body heal and repair itself
Mazzeo RS, Rajkumar C, Jennings G, Esler M
Nitrate-class medications (Major interaction - do not combine without medical supervision): L-Citrulline and L-Arginine may increase blood flow and potentiate the hypotensive effects of nitrate medications, including nitroglycerin (Nitro-Bid, Nitro-Dur, Nitrostat) and isosorbide (Imdur, Isordil)
When GHK complexes with copper, it silences copper's redox activity, preventing the generation of damaging hydroxyl radicals while still allowing copper to be delivered into cells for use as an enzymatic cofactor
The drugs can disturb or cut off blood flow to the optic nerve
Journal of Clinical Investigation, 1992