N-Acetyl Cysteine
17 benefits mapped to clinical evidence across supplements.
Benefit Evidence
Main EffectsStudies Total Participants
AntioxidantView 86 studies 8,368
Glutathione+oxidative stress
Ongoing pregnancy +24.2pp
Hepatotoxicity -37.5pp
Strong
Respiratory comfortView 43 studies 8,402
Symptom relief, better breathing
Exacerbations down, lung function +10%
Strong
Heart healthView 27 studies 2,821
↓ ischemia/angina, +14% TIMI
↓ AF/inflammation/oxidative stress
Strong
Brain healthView 25 studies 1,853
Cognition + memory
Addiction cravings −30%
Inflammation/brain markers
Strong
Vascular healthView 18 studies 2,621
Endothelial function, ICAM/VCAM
-25.4% homocysteine, BP
Nitrate tolerance relief
Strong
Mood balanceView 12 studies 953
Mood: ↓ depressive/anxiety
Mood: ↓ craving/irritability
+80% response
Moderate
Energy & FatigueView 5 studies 172
GSH/mitochondria + fatigue
23.8–26.3% longer
EPO/VO2 preserved
Moderate