PlainPill

Garlic vs NAC for immunity

Short answer: For immunity, more users report improvement with Garlic — 100% of 8 reports, versus 95% of 40 for NAC.

Garlic has 142 meta-analyses and 194 randomized trials on PubMed; NAC has 387 and 767.

Based on 133 reports about Garlic and 2,058 about NAC. Not medical advice.

Garlic
Supplement
NAC
Supplement
Users say it helped77%helped40 reports · medium confidence54%helped947 reports · high confidence
Verdict
Mostly positive
Mixed
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs142 / 194387 / 767
Mainly used for
Mood
% reporting improvement
—65% (323)
Anxiety
% reporting improvement
—90% (301)
Focus
% reporting improvement
100% (2)81% (170)
Energy
% reporting improvement
100% (2)73% (91)
Sleep
% reporting improvement
—71% (48)
Common side effectsnausea, headache, garlic smell, constipationanhedonia, stomach issues, depression, emotional blunting
Typical dose reported500 mg / 2x daily600 mg
Garlic
Latest review conclusion

Conclusion: There is moderate to high level of evidence from randomized controlled trials that the Ayurvedic herbs guggulu, garlic, and black cumin are moderately effective for reducing hypercholesterolemia. In addition, minimal evidence was found for any side effects associated with these herbs, positioning them as safe adjuvants to conventional treatments.

Medicina (Kaunas), 2021 ↗
What a user said
“For me, it's garlic that works. I use these capsules called Allacin Max, and at the first hint of a cold or a bug I start taking them and the cold never develops into anything.”
Full Garlic profile →
NAC
Latest review conclusion

Taken together, these preliminary findings suggest that dietetic approaches might be included as part of BD treatment. Also considering the high risk of metabolic disorders in individuals with BD, they should be encouraged to choose healthy dietary lifestyles, including daily intake of fruits, vegetables, seafood and whole grains.

Nutr Neurosci, 2023 ↗
What a user said
“NAC has helped me stay calm and reduce anxiety as well as gives me loads of energy if I am sleep deprived.”
Full NAC profile →

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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate