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Oyster Shell Calcium 500 mg with Vitamin D

product on market Tablet or Pill Major 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 absorption of calcium in the body to prevent bone loss. Research indicates these ingredients are generally safe when taken at recommended dosages.

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

Label

Product Label

Label for Oyster Shell Calcium 500 mg with Vitamin 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

200 IU (50% DV)
Within RDA (0.3× RDA) 608 studies (A:16, B:251)
Calcium
500 mg (50% DV)

Other Ingredients

Croscarmellose Sodium Hypromellose Microcrystalline Cellulose Titanium Dioxide Soy Polysaccharides Sodium Lauryl Sulfate Talc Triacetin Mineral Oil Starch Sucrose FD&C Yellow #5 Lake FD&C Blue #1 Lake Sodium Ascorbate Triglycerides Silica Tocopherols
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Approved Health
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: For adults, take one (1) tablet twice daily, preferably with a meal.

Warnings & Precautions

Contains FD&C Yellow #5 Lake (Tartrazine) as a color additive. Contains: Soy and Shellfish.

As a reminder, discuss the supplements and medications you take with your health care providers. Warning: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of the reach of children.

Tamper resistant: Do not use if seal under cap is broken or missing.

Formulation Notes

500 mg + D

Contains FD&C Yellow #5 Lake (Tartrazine) as a color additive. Contains: Soy and Shellfish.

Adequate calcium and vitamin D throughout life, as part of a well balanced diet, may reduce the risk of osteoporosis.

Free of: Yeast, wheat, milk or milk derivatives, lactose, preservatives, artificial flavor, sodium (less than 5 mg per serving).

Each tablet provides 500 mg of elemental calcium.

Additional Information

Re-Order No. 700699 M-29 Rev. 03/16 11105-03-16

Potency guaranteed New Formula & Appearance

Compare to Os-Cal Calcium +D3

Store at room temperature and avoid excessive heat.

Metadata

Product Details

UPC / SKU3 09045 46052 8
DSLD Entry Date2019-05-28
Product TypeSingle Vitamin and Mineral
FormTablet or Pill
BrandMajor
DSLD ID202227
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
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
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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
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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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.