An NNMT inhibitor like 5-amino-1MQ could help by stimulating the synthesis of NAD+, a vital cofactor in the electron transport chain
Results from using Shine Face Serum can vary, but many users report seeing improvements in skin hydration and texture within a few days to a week, with continued use leading to more pronounced benefits over time
cyto-enzymology 25 (4), 259262
They are not competitors
Side Effects of GHK-Cu Injections Using needles can introduce the risk of infection, and the potent concentrations might prove too strong for some, irritating
Also, downregulation of interferon stimulated genes such as MX1, IFITM1, and IFIT2 were observed in critical COVID-19 cases, as well as undetected messenger RNA levels of IFN- in blood (123)