BioStacks
Best for
Ingredients (3)
Quercetin (buds)
100%Dose/day
1000 mg
Target
500–1000 mg
Form
—
Zinc
100%Dose/day
30 mg
Target
15–30 mg
Form
Standard
Copper
100%Dose/day
2000 mcg
Target
1000–2000 mcg
Form
Standard
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
Poorly absorbed on its own — take with a fat-containing meal.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
Split into 2 doses across the day
On the label
Take 1 capsule 2 times per day with food or as directed by a health professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$32.95
Pricier than 91% of 220 zinc 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.