BioStacks
Nutricost

Calcium + Vitamin D3

3 Capsules · 60 servings · $0.25/serving

59 / 100Average

Score Breakdown

Formulation
73
Safety
80
Final score
59/100

Ingredients (2)

Calcium

100%

Dose

600 mg

Target

200–600 mg

Form

Standard

Vitamin D3

52%

Dose

520 IU

Target

1000–5000 IU

Form

Premium

Other Ingredients (6)

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.

Rice FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

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

HypromelloseCapsule

Plant-derived capsule material from cellulose

StarchBinder

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

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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.