Oyster Shell Calcium 500 mg + Vitamin D3

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

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

Label for Oyster Shell Calcium 500 mg + Vitamin D3
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Label Data

1 Tablet(s) Serving Size
1000 Servings
Single Vitamin and Mineral Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

5 mcg (25% DV)
✅ Within RDA (0.3× RDA of 0.015 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.005mg UL 0.1mg
Calcium
500 mg (38% DV)

Other Ingredients

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

Label Claims — Verification

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

Target Groups

Children 4 or More Years of Age Adult (18 - 50 Years)

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

Compare to active ingredients of Os-Cal Calcium + D3

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)

Product Details

UPC / SKU 3 73057 36111 1
DSLD Entry Date 2021-12-18
Product Type Single Vitamin and Mineral
Form Tablet or Pill
Brand Pharbest
DSLD ID 264579
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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