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aseir custom ghk-cu royal blue serum AF / hydrating with copper peptides 30 ml The first copper peptide serum spray to combine 2400mg of AHK Wholesale AHK-CU + GHK-CU Hair
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And BS reviewed the manuscript

GHK-Cu and reactive oxygen species modulation An in vitro study [9] examined the role of the tripeptide glycyl-L-histidyl-L-lysine in the regulation of intracellular reactive oxygen species observed in mammalian models

Science 2004

Answer: No

For localized musculoskeletal injuries, perilesional intramuscular or intratendinous injections may provide enhanced local effects, though systemic administration alone often suffices

I finally found a doc who tried B12 injections