Glutathione plays a role in protecting reproductive cells from oxidative damage, which can impact fertility
Selank overlaps here as well, with research into its effects on anxiety and cognitive function
Hassani S, Maghsoudi H, Fattahi F, Malekinejad F, Hajmalek N, Sheikhnia F, Kheradmand F, Fahimirad S, Ghorbanpour M (2023) Flavonoids nanostructures promising therapeutic efficiencies in colorectal cancer
It is found in large quantities in many cells in the body (1-10 millimoles/L)
In simple terms, the observed cosmetic changes (fewer wrinkles, tighter skin, stronger hair) match what GHK-Cus biology would predict
Remember, if you experience any persistent symptoms like yellowing of the skin or eyes (jaundice), abdominal pain, unexplained weight loss, chronic fatigue, or changes in urine or stool color, it is important to consult a healthcare professional for an evaluation