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Calcium Carbonate Pure Powder

product on market Powder NOW Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for Calcium Carbonate Pure Powder
Open Full PDF View on NIH DSLD →
Details

Label Data

0.5 Teaspoon(s)
Serving Size
200
Servings
Mineral
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
600 mg (46% DV)
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested usage:Take 1/2 level teaspoon daily, preferably with a meal. For best results, blend into "pulpy" type juices such as tomato or orange juice.

Warnings & Precautions

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 yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Formulation Notes

NOW Calcium Carbonate is a calcium supplement containing one of the highest concentrations of elemental calcium available. Its high calcium content makes it an excellent form for the support of healthy bones and teeth.

Natural color variation may occur in this product. Supports bone health

High percentage of calcium

Triangle K (Kosher)

Non GMO Project Verified nongmoproject.org

Vegetarian/Vegan

Packaged and quality tested in the USA.

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.

Additional Information

Triangle K (Kosher) Non GMO Project Verified nongmoproject.org

Minerals Family owned since 1968.

This product is sold by weight not volume. Store in a cool, dry place after opening.

GMP Quality Assured

Metadata

Product Details

UPC / SKU7 33739 01245 6
DSLD Entry Date2024-06-20
Product TypeMineral
FormPowder
BrandNOW
DSLD ID313644
Data Updated2026-04-11
Research

Research Evidence

511
Research Sources
57
Avg Quality
266
Meta Analysis
95
Systematic Review
76
Rct
49
Clinical Trial
12
Guideline
4
Regulatory Source
2
Cochrane Review
2
Other
2
Narrative Review
1
Openfda Safety
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A First-line drugs for hypertension
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Beta-blockers for hypertension
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.