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Oyster Shell Calcium 500 mg + D

product on market Tablet or Pill Major Pharmaceuticals 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 and vitamin D3 are supported by strong evidence for maintaining bone density and supporting skeletal health. Vitamin D3 facilitates the intestinal absorption of calcium to optimize mineral utilization. Current research indicates these ingredients are generally safe for most individuals when taken as directed.

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

Label

Product Label

Label for Oyster Shell Calcium 500 mg + D
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Single Vitamin and Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

5 mcg (25% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
Calcium
500 mg (38% DV)

Other Ingredients

Maltodextrin Microcrystalline Cellulose Croscarmellose Sodium Hypromellose Starch Magnesium Stearate Titanium Dioxide Stearic Acid FD&C Yellow #5 Lake FD&C Blue #1 Butylated Hydroxyloluene Butylated Hydroxyanisole Coconut Oil Triacetin Propylene Glycol Polyethylene Glycol
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Approved Health
Info

Product Information

Directions for Use

Directions: For adults, take one (1) tablet twice daily, preferably with a meal, or as directed by a physician.

Warnings & Precautions

Contains FD&C Yellow #5 (tartrazine) as a color additive.

As with any supplement, if you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before use.

Keep Out of Reach of Children.

Tamper Evident: Do not use if sealed blister units are broken or damaged.

Formulation Notes

Each tablet provides 500 mg of elemental calcium. Adequate calcium and vitamin D throughout life, as a part of a well balanced diet may reduce the risk of osteoporosis.

Additional Information

Unit dose

100 Tablets (10 x 10)

Other Information: Store at room temperature in a dry place.

Re-order No. 144842 M-95 Rev. 02/17

Metadata

Product Details

UPC / SKU3 09045 46061 0
DSLD Entry Date2019-04-25
Product TypeSingle Vitamin and Mineral
FormTablet or Pill
DSLD ID201612
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.