BioStacks
Natural Factors

Vitamin D3 for Kids, Strawberry, 10 mcg (400 IU), 100 Chewable Tablets

1 Tablet

iHerbAmazon

Best for

Immune

Ingredients (1)

Vitamin D3

40%

Dose

400 IU

Target

1000–5000 IU

Form

Premium

Children's product — scores and dose assessments use adult reference ranges. Actual adequacy may differ for children.

Other Ingredients (4)

Artificial ColorsColorant

May trigger hyperactivity in sensitive children; potential link to allergic reactions

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.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

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.

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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.

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