Notably, endogenous GHK-Cu levels in human plasma are age-dependent, dropping from ~200 ng/mL at age 20 to below 80 ng/mL after age 60
In cultured fibroblasts, exposure to the compound at concentrations as low as 10 nM has produced measurable increases in collagen synthesis within 48 hours
The following table summarizes the different delivery routes of commercially available glutathione
Collagen is an important structural component of blood vessels, tendons, ligaments, and bone
How to Minimize the Risk of Side Effects The best way to enjoy the benefits of glutathione injections confidently is to take simple, proactive steps that reduce the risk of any side effects
Apply GHK-Cu and minoxidil at different times (or wait a few minutes between products) to let each absorb