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Oyster Shell Calcium 500 mg

product on market Other (e.g. tea bag) Sundown Naturals 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 500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Caplet(s)
Serving Size
Mineral
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
500 mg (50% DV)
Sodium
5 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 ONE (1) CAPLET TWO OR THREE TIMES DAILY, PREFERABLY WITH MEALS.

Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

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

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

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

Formulation Notes

Natural Oyster Shell

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

Additional Information

Promotes Bone Health*

Smart Facts Calcium is one of the most important minerals in the body. Calcium provides the building blocks for strong bones and teeth, and plays a role in proper muscle contraction and nerve function.* Because the body cannot produce calcium, a balanced nutritional intake, regular exercise, healthy lifestyle choices and adequate intake of calcium and Vitamin D can play a role in maintaining optimal bone health.*

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Prod. No. 44793 08G B41057 EAB

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

{Bottle} PLEASE RECYCLE

GUARANTEED LABORATORY TESTED QUALITY

Metadata

Product Details

UPC / SKU0 30768 12429 8
DSLD Entry Date2014-02-26
Product TypeMineral
FormOther (e.g. tea bag)
DSLD ID30330
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.