BioStacks
Best for
Ingredients (9)
Zeaxanthin Complex
100%Dose
30 mg
Target
2–4 mg
Form
—
Lutein Complex
100%Dose
30 mg
Target
10–20 mg
Form
—
Selenium
75%Dose
75 mcg
Target
100–200 mcg
Form
Premium
Riboflavin
8%Dose
2 mg
Target
25–100 mg
Form
Budget
Vitamin C
100%Dose
60 mg
Target
25–200 mg
Form
Not listed
Other Ingredients (13)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Vitamin A AcetateNutrient Source
A stable ester form of vitamin A (retinol).
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Tomato PowderFood
Dried, powdered tomato (Solanum lycopersicum).
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
Riboflavin-5-PhosphateColorant
Active coenzyme form of vitamin B2; used as yellow colorant and for B2 fortification in supplements
Mixed TocopherolsAntioxidant
Natural vitamin E used as preservative
How to Take It
Best taken in the morning
The Vitamin B2 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 1-2 capsules a day, with meals, or as your health professional advises. Do not exceed recommended daily intake.
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 the NIH Office of Dietary Supplements and the 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. studied 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.