BioStacks
Other Ingredients (5)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
HypromelloseCapsule
Plant-derived capsule material from cellulose
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
Space it a couple of hours from Iron and Calcium
On the label
Take 2 capsules daily or as directed by a healthcare professional
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$17.95
Cheaper than 85% 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. 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.