Toxicol Appl Pharmacol 204:329342 Sun X, Shih AY, Johannssen HC, Erb H, Li P, Murphy TH (2006) Two-photon imaging of glutathione levels in intact brain indicates enhanced redox buffering in developing neurons and cells at the cerebrospinal fluid and blood-brain interface
And ultimately, the answer is it depends. You should know your metabolic markers, sleep quality, body composition goals, and hormonal baseline front-and-back before you touch either compound
NurOwn, phase 2, randomized, clinical trial in patients with ALS: Safety, clinical, and biomarker results
It should be perfectly clear and colorless, just like water