BioStacks
Best for
Ingredients (6)
Vitamin B6
6%Dose
1.5 mg
Target
25–100 mg
Form
Premium
Biotin
4%Dose
36 mcg
Target
1000–5000 mcg
Form
—
Vitamin C
100%Dose
750 mg
Target
250–2000 mg
Form
Budget
Vitamin B12
2%Dose
4 mcg
Target
250–5000 mcg
Form
Budget
Manganese
21%Dose
0.4 mg
Target
1.8–5 mg
Form
Standard
Other Ingredients (12)
Glucose SyrupSweetener
High glycemic load; source typically corn (generally gluten-free)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Lemon OilFlavor
Essential oil from lemon peel used as a natural flavoring agent
Maqui BerryFood
Dark-purple South American berry (Aristotelia chilensis) rich in anthocyanins.
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.
Purple CarrotColor
Anthocyanin-rich purple carrot, used as a natural coloring/food ingredient.
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.
Turmeric ColorColorant
Natural yellow colorant from the rhizome of Curcuma longa; the pigment is curcumin
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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.