BioStacks
Best for
Ingredients (10)
Vitamin B12
100%Dose
1000 mcg
Target
250–5000 mcg
Form
Premium
Vitamin D3
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Biotin
100%Dose
2500 mcg
Target
1000–5000 mcg
Form
—
Vitamin B6
20%Dose
5 mg
Target
25–100 mg
Form
Premium
Folate
83%Dose
333.3 mcg dfe
Target
400–800 mcg
Form
Not listed
Other Ingredients (10)
MannitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at higher doses. Supplement amounts are typically small, but individuals with IBS or sugar alcohol sensitivity may react even at low doses.
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
Fruit Juice (unspecified)Colorant
Juice or juice concentrate used primarily for natural color and flavor in gummies
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Vegetable StearateLubricant
A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant
Citric AcidAcidulant
Natural acid derived from citrus fruits
CrospovidoneDisintegrant
Cross-linked synthetic polymer used as a tablet disintegrant to help tablets break apart quickly in the stomach
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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.