Heres what you should know about each type so you can choose the one that best meets your needs
This paper will discuss the effect of GHK on gene expression relevant to nervous system functions and cognitive decline as well as review genetic and laboratory data relevant to nerve outgrowth, copper transport into cells, anxiety and pain, DNA repair, the ubiquitin proteasome system, the anti-oxidant system, changes in gene expression for glial cells, astrocytes, brain cells, dendrites, ganglia, motor neurons, Schwann cells, and sensory cells
The cellular engines are essentially rusting from the inside out, leading to the profound, cellular-level exhaustion that patients experience
Glutathione-s-transferases as determinants of cell survival and death
Rev Endocr Metab Disord
doi: 10.1016/j.plaphy.2005.03.007