Calcium Carbonate Powder
Scored by the Formulate Research Team · Last reviewed July 2026
Overview: Nutricost Calcium Carbonate Powder
Pure Calcium Carbonate Powder 500 Grams of Calcium Carbonate Per Bottle 650mg of Calcium Per Serving (Scoop Included) Non-GMO, Gluten Free, 3rd Party Tested Made in a FDA Registered, GMP Compliant Facility
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.
Ingredients per Serving
Certifications & Testing
Recommended Use
As a dietary supplement, mix 1 scoop daily with 6-10 oz of water or as directed by your healthcare professional.
Warnings
For healthy individuals 18 years and older. Consult a healthcare professional prior to use if you are pregnant or nursing, taking medication, or have a medical condition. Keep out of reach of children. Do not use if safety seal is broken or missing. Store in a cool, dry place. Contents are sold by weight, not volume. Some settling may occur.
Frequently Asked Questions
What is Nutricost Calcium Carbonate Powder's Formulate score?
Nutricost Calcium Carbonate Powder scores 89 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 Nutricost Calcium Carbonate Powder worth it?
Nutricost Calcium Carbonate Powder scores 89/100 (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 Nutricost Calcium Carbonate Powder?
Each serving contains Calcium (650 mg). Serving size: 1 Scoop (2g). 286 servings per container.
How do I take calcium carbonate powder?
As a dietary supplement, mix 1 scoop daily with 6-10 oz of water or as directed by your healthcare professional.
Who makes Calcium Carbonate Powder?
Calcium Carbonate Powder is made by Nutricost. See Formulate's full grade and product lineup for Nutricost on its brand page.
Is Nutricost Calcium Carbonate Powder third-party tested?
Nutricost lists the following certifications and testing for this product: Non-GMO, Gluten Free, Third Party Tested, FDA Registered, GMP, Vegan Options.
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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.