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Coral Calcium Powder

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Calcium is essential for maintaining bone density and supporting neuromuscular function, with strong clinical evidence for these roles. Research on fossilized coral calcium specifically is limited compared to other calcium sources. The ingredient profile is generally considered safe for most users.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

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

Label Data

1 tsp
Serving Size
57
Servings
Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
1 Gram(s) (77% DV)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: Take 1 teaspoon daily. Add powder to water or juice and mix vigorously. Drink immediately after mixing. Some sedimentation will occur.

Warnings & Precautions

Caution: For adults only.

Consult physician if pregnant/nursing, taking medication, or have a medical condition.

Keep out of reach of children.

Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

Formulation Notes

NOW Coral Calcium is an excellent source of an alkaline form of Calcium that can help to support a healthy serum pH.

~ 1,000 mg of calcium per teaspoon

Non-GMO

Triangle K

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

Additional Information

In addition, Coral Calcium has naturally occurring trace minerals that are important for bone health, as well as for optimal enzymatic activity.

Natural color variation may occur in this product.

This product is sold by weight not volume.

CODE 1274 V5

Healthy pH balance ~ Important for bone health

Non GMO Project Verified nongmoproject.org

Triangle K

Minerals Family owned since 1968.

Store in a cool, dry place after opening.

GMP Quality Assured

Metadata

Product Details

UPC / SKU7 33739 01274 6
DSLD Entry Date2017-12-22
Product TypeMineral
FormPowder
BrandNOW
DSLD ID77539
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
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 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 Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 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.