Clinical studies most often report mild side effects, including nausea, vomiting, diarrhea, heartburn, gas, headache, and general digestive discomfort.27 A 2021 safety review of high-dose NAC in chronic respiratory diseases found that oral doses between 600mg and 3,000mg daily were generally well tolerated, with gastrointestinal symptoms reported but not consistently more often than placebo.35 That doesnt mean NAC is risk-free
The synthetic accessibility score and MW of Compound 77 were 4.13 and 382.48 g/mol, respectively, suggesting a more complicated synthetic strategy compared with other compounds (Daina et al., 2017)
This absence of foundational pharmacokinetic information constitutes a major knowledge gap with direct implications for clinical application, dosing strategies, and safety monitoring
Together, they offer a complete approach to physical performance