BioStacks
Nature Made

Calcium 500 mg With Vitamin D3 400 IU

1 Tablet · 130 servings · $0.16/serving

37 / 100Poor

Score Breakdown

Formulation
41
Safety
87
Final score
37/100

Ingredients (2)

Vitamin D3

40%

Dose

400 IU

Target

1000–5000 IU

Form

Premium

Calcium

100%

Dose

500 mg

Target

200–600 mg

Form

Budget

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.

Magnesium StearateLubricant

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

Polyethylene Glycol (Coating)Coating

A polyether polymer used as a tablet coating and plasticizer

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

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

HypromelloseCapsule

Plant-derived capsule material from cellulose

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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.