glutathione synthase drug inhibitor Frontiers Impaired Glutathione Synthesis in Neurodegeneration

Free radicals are produced by various natural processes in the body, such as metabolism, and their levels can increase due to exposure to radiation, pollution, smoking, or illness

[1] Elongation of telomeres by epitalon was sufficient to surpass the Hayflick limit in a cell culture of human fetal fibroblast cells, extending their proliferative potential from termination at the 34th passage in the control cell population to beyond the 44th passage in the treated cell population, while increasing the lengths of their telomeres to levels comparable to those of cells in the original culture

Donohue, T

T-cell exhaustion signatures vary with tumor type and are severe in glioblastoma

It's not clear whether taking GABA supplements can actually affect your brain