BioStacks
KAL

Ultra D-3 250 mcg

1 Tablet · 120 servings · $0.17/serving

50 / 100Average

Score Breakdown

Formulation
100
Safety
50
Final score
50/100

Ingredients (1)

Vitamin D

100%

Dose

10000 IU

Target

1000–5000 IU

Form

Premium

Other Ingredients (7)

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.

SucroseSweetener

Added sugars and high glycemic load; dental caries risk

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

StarchBinder

Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

Vegetable OilCarrier

Edible oils used as carriers in softgels and as processing aids

Track this supplement in your stack

Get personalized insights, interactions, and coverage recommendations.

Get Started Free

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.