Rare: Potential risk of NAION (as discussed)
D'Hooghe TM, Hill JA: Immunobiology of endometriosis
Int J Dermatol 49(9):978986 Nelson MA, Einspahr JG, Alberts DS, Balfour CA, Wymer JA, Welch KL, Salasche SJ, Bangert JL, Grogan TM, Bozzo PO (1994) Analysis of the p53 gene in human precancerous actinic keratosis lesions and squamous cell cancers
How does NAC support liver health
Most side effects are mild and resolve on their own (injection-site reactions, mild headache, water retention)
it is banned at all times, in and out of competition, for athletes subject to anti-doping codes, and is not classified under S2 (Peptide Hormones, Growth Factors, and Related Substances), which is reserved for specifically defined peptide hormones and growth factors such as hGH and EPO