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Oyster Shell Calcium

product on market Tablet or Pill Pharbest Safety: 100/100
100/100

This product looks safe

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

Product Label

Label for Oyster Shell Calcium
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
1000
Servings
Mineral
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
500 mg (38% DV)

Other Ingredients

Croscarmellose Sodium FD&C Blue #1 FD&C Red #40 FD&C Yellow #5 Hypromellose Maltodextrin Magnesium Stearate Microcrystalline Cellulose Polyethylene Glycol Polyvinyl Alcohol Talc Titanium Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Directions: Take one tablet up to three times daily with food or as directed by your doctor. Children under 4 years, ask a doctor. It is recommended to take the tablet with full glass of water.

Warnings & Precautions

This package for household without young children

Tamper Evident: Do not use if safety seal under cap is broken or missing

Contains Shellfish

Warnings: If pregnant or breast-feeding, ask a health professional before use.

Package not child resistant. Keep out of the reach of children.

Additional Information

Manufactured in the USA

Store at room temperature. Keep tightly closed in a cool dry place.

Questions or comments? (866) 562-2756 (Mon-Fri 8AM to 4 PM EST)

Metadata

Product Details

UPC / SKU3 73057 36011 4
DSLD Entry Date2021-12-18
Product TypeMineral
FormTablet or Pill
BrandPharbest
DSLD ID264578
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.