What side effects do people report with NAC?

Most often: anhedonia, stomach issues, depression, emotional blunting, headache.

What else do people take for immunity?

Vitamin D (98% of 94), Vitamin C (90% of 40), Zinc (89% of 37), Thymosin Alpha-1 (90% of 21).

Does NAC help with immunity?

Q: Does NAC help with immunity?

Yes, for most people. 95% of 40 people who reported on NAC for immunity say it improved; 3% noticed no change and 3% say it got worse.

Yes, for most people. 95% of 40 people who reported on NAC for immunity say it improved. 3% noticed no change and 3% say it got worse. That is above the typical result for immunity (90% across 5 options).

Immunity: what users report

95%better40 reports · medium confidence

38 better1 no change1 worse

Ranked #2 of 5 for immunity.

What the research says

AResearch: Strong387 meta-analyses · 767 trials on PubMed

None of the top reviews we found look specifically at immunity. See all research on NAC.

Side effects people mention

anhedonia 99stomach issues 28depression 21emotional blunting 17headache 5

What else is NAC used for?

Mood 65%of 323 Anxiety 90%of 301 Focus 81%of 170 Energy 73%of 91 Sleep 71%of 48 Appetite 91%of 34 Pain & inflammation 85%of 33 Digestion 71%of 24

Information only — not medical advice. How we count