Nevertheless WADA wants to make it clear that when or if such techniques as gene editing would be used to enhance performance beyond a return to normal function, then it would be prohibited
(PubMed) Mangiapane E, Pessione A, Pessione E
This group can participate in numerous vital biochemical reactions in the organism, protecting the sulfhydryl groups of important enzyme proteins from oxidation and inactivation, thereby ensuring energy metabolism and cellular utilization
Yes, both Glutathione and Vitamin C help support antioxidant protection
RU 1601978, Klimova NV, Zaitseva NM, Pushkartin GV, Pyatin BM, Morozovk IS, Kislyak NA, Shcherbakova OV, Bykov NP, "Method of synthesis of n-(4-bromophenyl)-n-(2-adamantyl)amine", issued 27 October 1995 RU 860446, Waldman AV, Zaitseva NM, Klimova NV, Lavrova LN, Morozovn IS, Shmar MI, Shcherbakova OV, Yakubov AA, Strekalova SN, Petukhov AG, "Substituted n-adamantilanilines possessing psychostimulating activity", issued 1993, assigned to Cherkasskij Z Khimreaktivov al