BioStacks
Best for
Ingredients (6)
Quercetin Dihydrate
100%Dose/day
1200 mg
Target
500–1000 mg
Form
—
Vitamin C
100%Dose/day
250 mg
Target
50–250 mg
Form
Budget
Rutin concentrate
16%Dose/day
40 mg
Target
250–500 mg
Form
—
Bioflavonoid concentrate
16%Dose/day
40 mg
Target
250–1000 mg
Form
—
Hesperidin concentrate
8%Dose/day
40 mg
Target
500–1000 mg
Form
—
Other Ingredients (4)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
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
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
Split into 2 doses across the day
On the label
Take one VegCap twice daily with a meal or glass of water. Store in a cool, dry place.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$27.49
Near the median 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.