BioStacks
Best for
Ingredients (13)
Zinc
100%Dose
50 mg
Target
15–30 mg
Form
Premium
Vitamin D-3
100%Dose
2000 IU
Target
1000–5000 IU
Form
Premium
Black Pepper Fruit Extract
100%Dose
5 mg
Target
5–20 mg
Form
—
Vitamin A
100%Dose
750 mcg RAE
Target
700–1500 mcg
Form
Standard
Vitamin B-6
100%Dose
1.7 mg
Target
1.3–25 mg
Form
Budget
Other Ingredients (2)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamins A and D in it absorb poorly without one.
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.
Price Check
$12.35
Cheaper than 70% of 143 vitamin A 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.