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AHK-Cu works through a completely different mechanism: nourishing follicles, reducing inflammation, and stimulating growth factors
A couple of good examples are collagen, with an oral bioavailability as high as 63%,7 and GHK-Cu (copper peptides), which can pass through the skin in therapeutically effective amounts, per a 2010 study.8 Preparation and storage of injectable peptides An injectable peptide normally comes in powder form
However, stimuli-inducing release of BDNF from non-neuronal tissue like platelets and vascular endothelial cells are not well understood
doi: 10.1056/NEJMoa032691
