BioStacks
Best for
Ingredients (2)
Wildcrafted Freeze dried Stinging Nettle leaf
100%Dose
350 mg
Target
300–600 mg
Form
Standard
Quercetin dihydrate
70%Dose
350 mg
Target
500–1000 mg
Form
—
Other Ingredients (1)
HypromelloseCapsule
Plant-derived capsule material from cellulose
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
Take 2 capsules, up to 4 times per day. Keep out of the reach of children. Consult your healthcare advisor regarding the use of herbs during pregnancy with infants or with prescription drugs. Discontinue use if unusual symptoms occur.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$24.59
Near the median 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.