GHK Cu Nasal Spray Before and After Results Not all peptides are created equal and neither are our bodies. This is GHK Cu, a copper peptide (nasal spray) supplement from @NeuroGAN. I love experimenting, but I don't go in blind. My GHK Cu Injections in Napa & Sonoma GHK CU 50mg Nasal Spray Kit nordwellness.ca Not all peptides are created equal and neither are our bodies., This is GHK Cu, a copper peptide (nasal spray) supplement from @NeuroGAN. I love experimenting, but I dont go in blind. My longevity Synapsin B12 (M) Alpha GPC Nasal Spray Wells Pharmacy Network