CoraCal 1000 mg

product on market Capsule 21st Century 🟢 Safety: 100/100
Brand: 21st Century
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

10 mcg (50% DV)
✅ Within RDA (0.7× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.01mg UL 0.1mg
Calcium
1000 mg (77% DV)
500 mg (119% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 500mg

Other Ingredients

Gelatin Magnesium Stearate Magnesium Silicate Maltodextrin Cellulose Contains Less Than 2% of

Label Claims — Verification

❓ Nutrient
❓ All Other
❓ Structure/Function
All Other (99% of products) Structure/Function (85% of products) Nutrient (70% of products) Approved Health (4% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: As a calcium supplement, adults take two (2) capsules with any meal, twice daily or as directed by a healthcare provider. Do not exceed recommended dosage.

⚠️ Warnings & Precautions

Do not exceed recommended dosage.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children.

Do not use if product appears to be tampered with or seal is broken.

🧪 Formulation Notes

Coral Calcium has the ideal calcium to magnesium ratio of 2:1 that supports bone health and heart, nerve and muscle function.

No added Salt, Yeast, Artificial Flavors or Colors. Gluten Free.

Authentic Okinawa Coral Calcium

A Balanced Source of Calcium & Magnesium

Additional Information

No live coral was harmed in the harvesting of 21st Century's Eco-Friendly Coral Calcium.

Individual results may vary.

Store at room temperature.

Guaranteed quality Laboratory tested

Over 72 trace minerals

Eco-friendly

Product Details

UPC / SKU 7 40985 22773 2
DSLD Entry Date 2019-09-24
Product Type Other Combinations
Form Capsule
Brand 21st Century
DSLD ID 206542
Data Updated 2026-04-11

Research Evidence

872 Research Sources
53 Avg Quality Score
309 Meta Analysis
309 Clinical Trial
111 Rct
71 Systematic Review
55 Guideline
4 Cochrane Review
4 Regulatory Source
2 Other
2 Narrative Review
2 Observational
1 Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009
PubMed DOI Cochrane
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014
PubMed DOI Cochrane
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018
PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020
PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011
PubMed DOI Cochrane
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023
PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023
PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009
PubMed DOI
View all evidence for Vitamin D →

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