Trends Endocrinol Metab 16:120126
It is well-known that antioxidants protect DNA and other important molecules from oxidative damage, and can improve sperm quality, and consequently, increase male fertility (Bansal and Bilaspuri 2011)
For example, GLP-1s might stimulate GLP-1 receptors in skins fibroblasts, impairing their ability to protect themselves from oxidative damage and produce new collagen, a structural protein in skin, suggests a study review published in Endocrine
Studies comparing scar tissue in TB500-treated versus untreated injuries show better collagen organization, less fibrosis, and improved elasticity in treated samples
They found that in addition to slowing the progression of degeneration in the treatment group compared to controls, the peptide also improved levels of the protein aggrecan