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Natural Oyster Shell Calcium 1000 mg With Vitamin D3

product on market Tablet or Pill Sundown Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Calcium and vitamin D are supported by strong evidence for maintaining bone density and supporting skeletal health. These ingredients work synergistically to improve calcium absorption in the body. Sodium is present in small amounts, though its role in this specific formulation is minimal.

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

Label

Product Label

Label for Natural Oyster Shell Calcium 1000 mg With Vitamin D3
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
125
Servings
Other Combinations
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

400 IU (100% DV)
Within RDA (0.7× RDA) 608 studies (A:16, B:251)
Calcium
1000 mg (100% DV)
Sodium
10 mg (1% DV)

Other Ingredients

Vegetable Cellulose Contains Less Than 2% of
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: FOR ADULTS, TAKE TWO (2) TABLETS DAILY, PREFERABLY WITH A MEAL.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use.

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

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Formulation Notes

No Artificial Flavor or Sweetener, No Preservatives, No Sugar, No Milk, No Lactose, No Gluten, No Wheat, No Yeast.

1000 MG PER SERVING

Additional Information

As a reminder, discuss the supplements and medications you take with your health care providers.

Promotes Bone and Immune Health*

Smart Facts Calcium helps the heart and nervous system by maintaining a regular heart beat and assisting with the transmission of nerve impulses.* It helps build and maintain good bone health and is essential for healthy teeth, blood and muscles.* Vitamin D3 helps the body absorb Calcium and is a potent and active form of Vitamin D. Vitamin D3 also supports a healthy immune system.*

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

{Bottle} PLEASE RECYCLE

Prod. No. 44734 07G B41496 KAA

GUARANTEED LABORATORY TESTED QUALITY

Metadata

Product Details

UPC / SKU0 30768 02498 7
DSLD Entry Date2014-02-26
Product TypeOther Combinations
FormTablet or Pill
DSLD ID30271
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
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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.