BioStacks
30 / 100Poor
Best for
Score Breakdown
Formulation
53
Safety
54
Final score
30/100
Ingredients (15)
Iodine
100%Dose
220 mcg
Target
150–500 mcg
Form
Premium
Vitamin D3
80%Dose
800 IU
Target
1000–5000 IU
Form
Premium
Vitamin B6
8%Dose
2 mg
Target
25–100 mg
Form
Premium
Biotin
6%Dose
60 mcg
Target
1000–5000 mcg
Form
—
Vitamin A
93%Dose
650 mcg RAE
Target
700–1500 mcg
Form
Standard
Other Ingredients (9)
Artificial ColorsColorant
May trigger hyperactivity in sensitive children; potential link to allergic reactions
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
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.
Sodium LactatepH Adjuster
The sodium salt of lactic acid used as a humectant, buffer, and mild preservative.
Citric AcidAcidulant
Natural acid derived from citrus fruits
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Lactic AcidAcidulant
Naturally occurring organic acid used as a pH adjuster and preservative in supplements
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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.