BioStacks
Ingredients (6)
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Lutein
100%Dose
10 mg
Target
10–20 mg
Form
Premium
Biotin
100%Dose
5000 mcg
Target
1000–5000 mcg
Form
—
Silica
100%Dose
30 mg
Target
5–30 mg
Form
Budget
Opextan Olive fruit extract
13%Dose
20 mg
Target
150–500 mg
Form
—
Other Ingredients (8)
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
FD&C Red No. 3Colorant
In January 2025 the FDA revoked authorization for FD&C Red No. 3 in food and ingested drugs after evidence it caused thyroid tumors in male rats; under the Delaney Clause no additive shown to induce cancer in animals may be used. The same dye had already been banned from cosmetics and topical drugs since 1990. There is no reason to ingest a federally de-authorized colorant that provides only aesthetic value.
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
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.
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
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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.