Does NAC help with sleep?
Often, yes. 71% of 48 people who reported on NAC for sleep say it improved. 0% noticed no change and 29% say it got worse. That is below the typical result for sleep (82% across 71 options).
Sleep: what users report
71%better48 reports · medium confidence
34 better0 no change14 worse
Ranked #51 of 71 for sleep.
What people say about NAC and sleep
“NAC has helped me stay calm and reduce anxiety as well as gives me loads of energy if I am sleep deprived.”
“my average sleep time increased by an hour when I started taking 600mg before bed.”
“NAC helped me along with a lot of CBT, reading, dopamine fasting and anything/everything you can think of to restart someone's dopamine system.”
“Personally I find NAC intollerable, it gives me a dysfunctional kind of energy and terrible insomnia.”
What the research says
AResearch: Strong387 meta-analyses · 767 trials on PubMed
None of the top reviews we found look specifically at sleep. See all research on NAC.
Side effects people mention
anhedonia 99stomach issues 28depression 21emotional blunting 17headache 5
What else is NAC used for?
Information only — not medical advice. How we count