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What it does
Quercetin
Form not confirmedGrade —
May slightly lower blood pressure in some adults; findings do not establish cardiovascular protection or every preparation’s benefit.
Ingredients (1)
Other ingredients
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Calcium LaurateEmulsifier
Calcium salt of lauric acid used as a lubricant
HypromelloseCapsule
Plant-derived capsule material from cellulose
Lab testing
How to take it
With a meal containing fat
On the label
As a dietary supplement, take one capsule daily or as directed by a healthcare practitioner.
Price check
$19.27
$0.32 / serving
Cheaper than 80% of 71 quercetin supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.
Not medical advice. Consult your healthcare professional.