BioStacks
Best for
Ingredients (9)
Copper
100%Dose
3000 mcg
Target
1000–2000 mcg
Form
Premium
Vitamin B5
100%Dose
300 mg
Target
50–500 mg
Form
—
Vitamin B3
100%Dose
500 mg
Target
25–500 mg
Form
Standard
Zinc
100%Dose
47 mg
Target
15–30 mg
Form
Standard
Selenium
100%Dose
100 mcg
Target
100–200 mcg
Form
Premium
Other Ingredients (3)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the morning
The Vitamin B5 in it is what pulls this toward the morning. Take it with a meal containing fat — the vitamins A and E 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 vegan capsules in the morning with food and a minimum of 16 ounces of water.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$41.99
Pricier than 94% of 138 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.