BioStacks
Nature Made

D3 2000 IU (50 mcg)

1 Tablet · 100 servings

iHerbAmazon
74 / 100Good

Best for

ImmuneDentalBone & Joint

Score Breakdown

Formulation
93
Safety
80
Final score
74/100

Ingredients (2)

Vitamin D3

100%

Dose

2000 IU

Target

1000–5000 IU

Form

Premium

Calcium

90 mg

Trace amount — not scored

Other Ingredients (8)

MaltodextrinBinder

Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.

SucroseSweetener

Added sugars and high glycemic load; dental caries risk

Magnesium StearateLubricant

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

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

Microcrystalline CelluloseBinder

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

StarchBinder

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

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

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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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