They help send signals between cells that influence many biological processes, including tissue repair, inflammation regulation, and protein production
Furthermore, GH replacement therapy restores the age-associated impairments in the skeletal muscle mitochondrial biogenesis, which is mainly manifested by the increased PGC1 , NRF1 , cytochrome c expression, and citrate synthase enzymatic activity ( On the other hand, some different views concerning the effects of GH on mitochondrial biogenesis have also been discovered
Gallati, S., Hess, S., Gali-Wunder, D., Berger-Menz, E
When you take them together, you are essentially building a stronger house (collagen) while also installing a high-end security system to prevent damage (glutathione)
doi: 10.1200/JCO.1996.14.1.249