BioStacks
Best for
Ingredients (14)
Zeaxanthin
100%Dose
2 mg
Target
2–4 mg
Form
—
Lutein
100%Dose
10 mg
Target
10–20 mg
Form
—
Vitamin C
100%Dose
200 mg
Target
50–250 mg
Form
Standard
Swedish Bilberry Fruit Extract
100%Dose
100 mg
Target
80–500 mg
Form
—
Vitamin B6
8%Dose
2 mg
Target
25–100 mg
Form
Premium
Other Ingredients (6)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
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
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
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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.