BioStacks
NOW

Calcium Citrate

2 Tablets · 50 servings · $0.21/serving

53 / 100Average

Score Breakdown

Formulation
61
Safety
89
Final score
53/100

Ingredients (6)

Calcium

100%

Dose

600 mg

Target

200–600 mg

Form

Premium

Zinc

100%

Dose

15 mg

Target

15–30 mg

Form

Standard

Magnesium

100%

Dose

300 mg

Target

100–400 mg

Form

Budget

Manganese

100%

Dose

5 mg

Target

1.8–5 mg

Form

Not listed

Copper

100%

Dose

1000 mcg

Target

1000–2000 mcg

Form

Not listed

Other Ingredients (6)

Magnesium StearateLubricant

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

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Coating (unspecified)Coating

Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Hydroxypropyl CelluloseBinder

An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.

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.