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Coral Calcium/Magnesium 2:1 Ratio

product on market Capsule Source Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 75% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Calcium and magnesium are supported by strong evidence for maintaining bone density and nerve function. Vitamin D3 provides moderate to strong evidence for enhancing calcium absorption. Together, these ingredients support skeletal health and mineral balance.

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

Label

Product Label

Label for Coral Calcium/Magnesium 2:1 Ratio
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
75%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 IU (50% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
Calcium
600 mg (60% DV)
300 mg (75% DV)
Within RDA (0.7× RDA) 316 studies (A:8, B:159)
1.8 Gram(s)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)

Other Ingredients

Gelatin Microcrystalline Cellulose Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 3 capsules daily.

Warnings & Precautions

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

Formulation Notes

Eco-friendly

Source Naturals Coral Calcium/Magnesium is an excellent source of these two alkaline minerals is an optimal 2:1 ratio. In addition to building healthy bones, calcium plays essential roles in muscle contractions, heartbeat, blood clotting, nerve transmission, and in converting signals from hormones in the blood into actions within cells. Magnesium is involved in over 300 vital cellular processes, and helps to regulate the action of calcium in muscle function and heart health. The vitamin D in this formula supports intestinal absorption of calcium and its optimal use in the body.

Source Naturals Coral Calcium/Magnesium is eco-friendly: It is harvested from fossilized (dead) coral and is not harmful to living coral.

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no artificial color, flavor or fragrance.

Additional Information

Store in a cool, dry place.

Metadata

Product Details

UPC / SKU0 21078 01684 7
DSLD Entry Date2020-02-26
Product TypeOther Combinations
FormCapsule
BrandSource Naturals
DSLD ID214326
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
View all evidence for Electrolytes →
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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.