It is more stable than the reduced form and is not oxidized in the gastrointestinal tract
HPA axis studies measure serum cortisol, ACTH, and CRH levels via radioimmunoassay or ELISA following DSIP administration in stress-challenged animal models
I don't really like parts of this explanation (was hoping to find a better one here actually), but it's the best I know
Swiss Chems supplies GHK-Cu as a freeze-dried powder in research-grade vials, with no fillers added during lyophilization to preserve compound purity and structural integrity throughout storage and handling
The longevity of the effects also depends on factors like dietary habits, the bodys absorption rate, and overall health
Those pregnant, breastfeeding, or undergoing cancer treatment should avoid it until more data becomes available