BioStacks
Best for
Ingredients (6)
Copper
100%Dose
2000 mcg
Target
1000–2000 mcg
Form
Budget
Zinc
100%Dose
50 mg
Target
15–30 mg
Form
Budget
Boron
Amount not found
Magnesium
25 mgTrace amount — not scored
Sulfate
60 mgNot in our database
Other Ingredients (3)
Citric AcidAcidulant
Natural acid derived from citrus fruits
PotassiumMineral
Essential mineral naturally present in many plant-based supplement ingredients
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
How to Take It
Take it anytime
Take with food — on an empty stomach it commonly causes nausea.
With food
Space it a couple of hours from Iron and Calcium
On the label
Using the Opti-Dose pre-measured dropper, take 1.25 ml (1/4 teaspoon) daily with juice or food to mask the concentrated mineral flavor. Do not refrigerate. Shake before use.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$12.99
Near the median of 219 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.