BioStacks
Best for
Ingredients (4)
Vitamin C
50%Dose
25 mg
Target
50–250 mg
Form
Standard
Total Quercetin
47%Dose
235 mg
Target
500–1000 mg
Form
—
Quercetin Phospholipid Complex
42%Dose
500 mg
Target
1200–2400 mg
Form
—
Total Phospholipids
11%Dose
135 mg
Target
1200–2400 mg
Form
—
Other Ingredients (1)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
What's in this absorbs poorly without a fat-containing meal — take it with one.
With a meal containing fat
On the label
Consume one capsule daily. You can increase your intake as required or as guided by your physician.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$99.90
Pricier than 99% of 71 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. 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.