For most healthy adults, the clinical trials at common doses do not demonstrate clear, proven harms, but the TMAO question remains an area of active research
Other Potential Benefits Improving insulin sensitivity: research indicates glutathione supplementation may help with insulin resistance in some contexts
doi: 10.3389/fimmu.2026.1761421 Received 05 December 2025 Revised 31 January 2026 Accepted 04 February 2026 Published 24 February 2026 Volume 17 - 2026 Edited by Qiushui He, University of Turku, Finland Reviewed by Jan Josef Stepan, Charles University, Czechia Namrata Anand, University of Chicago Medical Center, United States Updates Copyright 2026 Liu, Lu, Bai, Han, Zha and Jiang
In a small RCT in China (n=39) with patients hospitalised with community-acquired pneumonia, the addition of high dose NAC (1200mg/d for 10 days) to usual care suggested an improvement in oxidative stress parameters, inflammatory factors but not radiological changes compared to usual care only
Iron filtered by the renal glomerulus is actively reabsorbed to prevent urinary loss
Foods that contain polyunsaturated fats (eg, fish) and monounsaturated fats (eg, olive oil and nuts) appear to be protective as well (Misciagna 1996