BioStacks
Best for
Ingredients (4)
Vitamin A
100%Dose
800 mcg
Target
700–1500 mcg
Form
Not listed
Vitamin C
32%Dose
80 mg
Target
250–2000 mg
Form
Not listed
Methylsulfonylmethane (MSM)
50%Dose
500 mg
Target
1000–3000 mg
Form
—
Zinc
36%Dose
5.4 mg
Target
15–30 mg
Form
Not listed
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Copper Gluconate
Not reviewed yet
How to Take It
Take it anytime
Fat-soluble — take with a meal containing fat for better absorption. Time of day doesn't matter.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Take 2 capsules daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.