Moderate deficiency: Those with moderate cases usually get a standard dose, about 1,000 mcg
IV delivery consistently produces therapeutic tissue levels that oral supplementation cannot achieve
Davis OB, Shin HR, Lim CY, Wu EY, Kukurugya M, Maher CF, et al
Vitamin E, antioxidant and nothing more
doi:10.1016/j.mimet.2016.06.012 Yoshida H, Arai S, Hara KY, Yamada R, Ogino C, Fukuda H, Kondo A (2011) Efficient and direct glutathione production from raw starch using engineered Saccharomyces cerevisiae
r/Peptides subreddit community wiki and archived threads (community signal reference, not clinical evidence)