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NOW Foods Calcium & Magnesium

Calcium & Magnesium

84A-
Grade A- · tablet · 125 servings · $20.89
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Scored by the Formulate Research Team · Last reviewed July 2026

Score Breakdown

Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.

Evidence Qualityweight 40%
99/ 100
Dose Adequacyweight 35%
95/ 100
Form/Bioavailabilityweight 25%
75/ 100
Transparencyweight 0%
70/ 100
Safety/Redundancyweight 0%
100/ 100
Manufacturing Qualityweight 0%
80/ 100

Ingredients per Serving

Certifications & Testing

VeganVegetarianGluten-FreeDairy-Free

Other Ingredients

Microcrystalline Cellulose, Hypromellose, Calcium Carbonate, Polydextrose, Glycerin, Medium Chain Triglyceride, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate, Hydroxypropyl Cellulose, Silicon Dioxide

Recommended Use

Suggested usage: Take 2 tablets daily. Can be taken in divided doses.

Warnings

Caution: For adults only. Keep out of reach of children. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Frequently Asked Questions

What is NOW Foods Calcium & Magnesium's Formulate score?

NOW Foods Calcium & Magnesium scores 84 out of 100 (grade A-) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.

Is NOW Foods Calcium & Magnesium worth it?

NOW Foods Calcium & Magnesium scores 84/100 (grade A-). That puts it in Formulate's top tier: its ingredient doses, forms, and label transparency hold up against the clinical evidence, and it carries credible third-party testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.

What's in NOW Foods Calcium & Magnesium?

Each serving contains Calcium (1 g), Magnesium (500 mg). Serving size: 2 Tablet(s). 125 servings per container.

How do I take calcium & magnesium?

Suggested usage: Take 2 tablets daily. Can be taken in divided doses.

Who makes Calcium & Magnesium?

Calcium & Magnesium is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.

Is NOW Foods Calcium & Magnesium third-party tested?

NOW Foods lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.

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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.