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Quercetin and Niacin: study protocols

5 study groups took Quercetin together with Niacin. These are the doses the studies gave. They are not a recommendation.

Quercetin: what the research found →

Dose per serving from research: Quercetin

5 study groups in 3 studies say how much Quercetin participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 250 mg to 500 mg, 60% of 5 study groups.

Daily doseStudy groups
250 mg to 500 mg
3
500 mg to 1 g
2

Dose per serving from research: Niacin

5 study groups in 3 studies say how much Niacin participants took a day.

These are the doses the studies gave. They are not a recommendation.

Most common: 10 mg to 25 mg, 40% of 5 study groups.

Daily doseStudy groups
5 mg or less
1
5 mg to 10 mg
1
10 mg to 25 mg
2
25 mg to 50 mg
1

Commonly used together

5 of 5 study groups took Quercetin and Niacin with something else. Shown: what 3 or more different studies gave.

What was given together, not what works together.

Taken withStudy groups
Vitamin C
5

5 study groups

Study
Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial
2010 · Q-500 · Men and women aged 18–85 from the community, including people with and without chronic disease
500 mg20 mg12 weeks334
Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial
2010 · Q-1000 · Men and women aged 18–85 from the community, including people with and without chronic disease
1 g40 mg12 weeks333
Dose-response to 3 months of quercetin-containing supplements on metabolite and quercetin conjugate profile in adults
2013 · Q-1000 · Healthy adults aged 40–83 years; women and men
1 g10 mg90 days—
Dose-response to 3 months of quercetin-containing supplements on metabolite and quercetin conjugate profile in adults
2013 · Q-500 · Healthy adults aged 40–83 years; women and men
500 mg5 mg90 days—
A Mixed Flavonoid-Fish Oil Supplement Induces Immune-Enhancing and Anti-Inflammatory Transcriptomic Changes in Adult Obese and Overweight Women-A Randomized Controlled Trial
2016 · Q-Mix · Women aged 40–70 years who were overweight or obese (BMI ≥25 kg/m²), without the listed major diseases
500 mg20 mg10 weeks24
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