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Adverse side effects are not frequently reported among patients
Chen Y, Saari JT, Kang YJ
Hare DJ, Double KL
With a regular diet, Europeans consume between 2.12 and 2.40g per day, and in the US, the average amount consumed is even a bit higher
Aside from providing cysteine as a glutathione precursor, NAC also appears to have antioxidant properties by itself, and is a valuable sulfur donor for various metabolic needs
Multiple randomized controlled trials and a 2024 meta-analysis of 20 studies confirm that oral NAC supplementation raises glutathione concentrations in humans
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