Home/ Supplements/ Electrolytes/ Coral Calcium 400 mg

Coral Calcium 400 mg

product on market Capsule GNC Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Calcium and vitamin D have strong evidence for supporting bone density and mineral absorption. Magnesium further contributes to bone health and muscle function. Research generally supports the combined use of these nutrients for skeletal maintenance.

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

Label

Product Label

Label for Coral Calcium 400 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
90
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

5 mcg (25% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
Calcium
400 mg (31% DV)
200 mg (48% DV)
Within RDA (0.5× RDA) 316 studies (A:8, B:159)

Other Ingredients

Gelatin Microcrystalline Cellulose Magnesium Stearate Titanium Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take two capsules daily.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Magnesium & Vitamin D-3

Naturally supplies calcium, magnesium & other trace minerals essential for strong, healthy bones

Derived from fossilized coral

GNC Coral Calcium naturally supplies calcium, magnesium and numerous other essential trace minerals.

Gathered from fossilized coral from above the Okinawa sea, our coral is environmentally friendly. This harvesting process protects the delicate ecology of the sea and allows living reefs and algae to continue to thrive.

Potency verified by GNC procedure #4000. Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

No artificial flavors, sodium free, no wheat, gluten free, no dairy.

GF Gluten free

Additional Information

Store in a cool, dry place.

400 mg Per 2 capsules

90-Day supply

Metadata

Product Details

UPC / SKU0 48107 17776 8
DSLD Entry Date2020-06-24
Product TypeOther Combinations
FormCapsule
BrandGNC
DSLD ID223571
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.