🟢 100/100

This product looks safe

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

Product Label

📸

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Label Data

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

Supplement Facts — Evidence Check

Calcium
600 mg (46% DV)

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (100% of products) Structure/Function (81% of products) Nutrient (71% of products) Approved Health (13% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Gluten Free Dairy Free

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

Product Details

UPC / SKU 7 33739 01245 6
DSLD Entry Date 2024-06-20
Product Type Mineral
Form Powder
Brand NOW
DSLD ID 313644
Data Updated 2026-04-11

Research Evidence

511 Research Sources
57 Avg Quality Score
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
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
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
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
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A First-line drugs for hypertension
Meta Analysis The Cochrane database of systematic reviews 2018
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Beta-blockers for hypertension
Meta Analysis The Cochrane database of systematic reviews 2017
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
View all evidence for Calcium →

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