What sets GHK-Cu apart in the research literature is scale: naturally occurring levels of the peptide in human plasma decline from roughly 200 ng/mL at age 20 to about 80 ng/mL by age 60, a drop researchers have used as a starting point for studying its potential connection to age-related changes in tissue repair
Without enough, nerves can get damaged, leading to numbness, tingling, and pain
With pentadecapeptide BPC 157, less edema and less inflammatory cells, re-epithelization, tensile breaking force, relative elongation of the burned part skin appear together, and inhibition of inflammation and beneficial effects
The oral versus injection comparison breaks down the pros and cons of each delivery method
separate them by time of day or by minutes if layering