BioStacks
Best for
Ingredients (4)
Vitamin K2
100%Dose
90 mcg
Target
90–200 mcg
Form
Premium
Organic Shiitake Mushroom Powder
15%Dose
150 mg
Target
1000–3000 mg
Form
—
Organic Prebiotic Fiber
1%Dose
50 mg
Target
5000–10000 mg
Form
—
Organic Vitamin D3
125 mcgNot in our database
Other Ingredients (6)
Rice ExtractFiller
Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.
Rice HullsAnti-caking
Ground outer husk of rice grains used as a plant-based flow and anti-caking agent
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Gum AcaciaBinder
Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements
Sunflower Seed OilCarrier
Common vegetable oil from sunflower seeds used as a carrier in softgels for fat-soluble nutrients
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.