PlainPill

NAC vs Quercetin for immunity

Short answer: For immunity, users rate them about the same: 97% report improvement with NAC (34 reports) and 100% with Quercetin (10 reports).

NAC has 387 meta-analyses and 767 randomized trials on PubMed; Quercetin has 207 and 232.

Based on 1,645 reports about NAC and 239 about Quercetin. Not medical advice.

NAC
Supplement
Quercetin
Supplement
User score4945
Verdict
Mixed
Mixed
Positive
of reports that state an outcome
55%58%
Reports1,645239
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs387 / 767207 / 232
Mainly used for
Weight loss
% reporting improvement
75% (4)—
Appetite
% reporting improvement
90% (31)—
Focus
% reporting improvement
82% (156)100% (6)
Energy
% reporting improvement
74% (78)100% (6)
Sleep
% reporting improvement
71% (41)60% (5)
Anxiety
% reporting improvement
90% (259)25% (4)
Mood
% reporting improvement
65% (274)100% (2)
Memory
% reporting improvement
79% (14)—
Performance
% reporting improvement
75% (8)—
Recovery
% reporting improvement
86% (14)—
Pain & inflammation
% reporting improvement
86% (28)64% (14)
Digestion
% reporting improvement
72% (18)—
Libido
% reporting improvement
29% (7)—
Hormones
% reporting improvement
88% (8)—
Blood sugar
% reporting improvement
100% (3)—
Heart & lipids
% reporting improvement
67% (12)—
Skin & hair
% reporting improvement
89% (18)67% (3)
Immunity
% reporting improvement
97% (34)100% (10)
Longevity
% reporting improvement
100% (7)100% (3)
Common side effectsanhedonia, fatigue, stomach issues, depressioninsomnia, jitteriness, anxiety, overstimulation
Typical dose reportedas needed500-1000 mg
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 →
Quercetin
Latest review conclusion

The results of a meta-analysis of 12 RCTs indicate that TCM intervention can improve the clinical treatment efficacy of CAG. NPAs identified seven hub TCM and 13 target genes associated with their actions, while bioinformatics analysis identified two DEGs between normal and CAG gastric tissues. Finally, molecular docking was employed to reveal the mechanism of action of the active molecules in TCM on the DEGs. These findings not only reveal the mechanisms of action of the active components of the TCMs, but also provide support for the development of new drugs, ultimately blocking the progressi

Ann Med, 2023 ↗
What a user said
“The above supplements have worked amazingly for my brain fog and motivation.”
Full Quercetin profile →

Related comparisons

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