While a bottle of pills might seem cheaper upfront, the low absorption rate means you're often getting very little of what you pay for
The intranasal GHK-Cu treatment was found to delay cognitive impairment, reduce amyloid plaques, and lower inflammation levels in the frontal cortex and hippocampus .37 Randomized controlled trials in human patients are needed to confirm the benefit of GHK-Cu for cognitive decline and Alzheimers disease as well as to evaluate safe and effective human dosing (the human dose equivalent of 15mg/kg in mice would be ~1.2mg/kg, though data on this or any other dosing nasally in humans is not currently available), but preliminary animal trials are promising
But because the gut is leaking toxins, the immune system is hyperactivated, consuming all available L-Glutamine in the bloodstream
Invernizzi CF, Xie B, Frankel FA, Feldhammer M, Roy BB, Richard S, Wainberg MA