National Library of Medicine
Safety and Tolerability: What Is and Isnt Known Safety is often where the two compounds are oversold as side-effect-free. The accurate picture is narrower: both look well tolerated in the limited settings that have been studied, and both lack long-term human safety data
Glutathione S-transferase T1 (GSTT1) null polymorphism, smoking, and their interaction in coronary heart disease: a comprehensive meta-analysis
Questions to Ask About Evidence Quality and Safety Readers can ask a licensed clinician whether the claim is based on topical human data, wound-care research, animal models, cell studies, cosmetic marketing, or unsourced online protocols
10 11 A double-blind RCT in 40 chronic hemodialysis patients found a statistically significant increase in total antioxidant capacity (TAC) after oral NAC (p = 0.042)
10.1080/17460441.2019.1573812 122 RaoP