"Does NAC Actually Help With OCD and Intrusive Thoughts?" What 7 Clinical Trials Reveal About This Glutamate-Modulating Supplement

N-acetylcysteine (NAC) has emerged as a promising supplement for OCD treatment. We analyzed 7 randomized controlled trials involving 319 participants to separate the science from the hype. The results? Modest but real benefits, particularly as an augmentation strategy for treatment-resistant cases.