BioStacks
Best for
Ingredients (1)
Quercetin Dihydrate
100%Dose
1000 mg
Target
500–1000 mg
Form
—
Other Ingredients (3)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Poorly absorbed on its own — take with a fat-containing meal.
With a meal containing fat
On the label
As a dietary supplement, take two (2) capsules two or three times daily, preferably 20 minutes before meals. Persons with sensitive stomachs may prefer to take capsules with meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$18.99
Cheaper than 82% of 66 quercetin supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.