Calcium 500+D3®

Single Vitamin & Mineral

Brand: 21st Century

Tablet or PillSingle Vitamin and MineralOff Market
Click to view full label

Net Contents

400 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 40985 27523 8

Product Version

501068-0319N

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report an established %DV per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Shellfish

Free From

  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Tablet(s) · 2 per day

IngredientAmount Per Serving% Daily Value
Vitamin D3(Cholecalciferol)5 mcg25%
Calcium(Oyster)500 mg38%

Not Present

Other Ingredients

MaltodextrinCelluloseContains Less Than 2% of

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Directions: As a calcium supplement, adults take one (1) tablet with any meal, twice daily or as directed by a healthcare provider. Do not exceed recommended dosage.

Warnings & Precautions

Precautions re: Allergies

Contains shellfish (oyster).

Precautions re: All Other

Do not exceed recommended dosage.

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.

Precautions re: All Other

Stop use and contact a physician if adverse reactions occur.

Precautions re: Children

Keep out of reach of children.

Precautions re: All Other

Do not use if product appears to be tampered with or seal is broken.

Storage

Storage

Store at room temperature.

Formulation

Formula re: Contains

500 mg Calcium 5 mcg (200 IU) Vitamin D3

Formula re: Contains

Contains shellfish (oyster).

Formula re: Contains

Calcium is an important mineral for bone health. Vitamin D3 is added to assist with calcium absorption.

Formulation re: Does NOT Contain

No added Yeast or Artificial Flavors. Gluten Free.

FDA Statements

FDA Statement of Identity

Calcium & Vitamin D3 Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Other Label Statements

General Statements: All Other Content

Compare vs. Os-Cal Calcium+D3

Seals/Symbols

Gluten free

General Statements: All Other Content

Bone Health Support

Brand IP Statement(s) re: (c), (TM), (SM)

Os-Cal is a registered trademark of GlaxoSmithKine, Pittsburgh, PA 15230

General Statements: All Other Content

Individual results may vary.

Seals/Symbols

Guaranteed quality Laboratory tested

Manufacturer & Distributor

Manufacturer

21st Century HealthCare, Inc.

2119 S. Wilson St., Tempe, AZ, 85282, USA

Market Reference

$5.49 – $141.99· 40 listings
  • 21st Century Calcium 500 + D3 Tablets

    21st-century-vitamins4.8(1100)
    $10.99
  • 21st Century Calcium 500 + D3 Caplets

    21st-century-vitamins4.8(1400)
    $5.49Lowest
  • 21st Century Calcium 500 + D3 400 Tablets

    iHerb4.8(1400)
    $10.99
  • 21st Century Calcium 500 + D3 90 Cplts

    Walmart - Pharma Frills4.0(8)
    $11.11
  • 21st Century Calcium Supplement Tablets

    Target4.8(1800)
    $15.99
  • 21st Century Calcium + D3 Softgels

    21st-century-vitamins4.8(657)
    $9.99
  • 21st Century Calcium Plus D3 1000 mg Tablets

    Walmart - myREVCO4.7(3700)
    $11.62
  • 21st Century Calcium 600 + D3 Plus Minerals Caplets

    21st-century-vitamins4.8(364)
    $5.49Lowest

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

Research & Studies

  • Vitamin D: evolutionary, physiological and health perspectives

    M F. Holick - Current drug targets, 2011 - benthamdirect.com

    … D3 interacts with its vitamin D receptor in calcium regulating tissues to regulate calcium metabolism and bone health. … capsule containing 500 IU of vitamin D2 +500 IU of vitamin D3 they …

    2011583 citations
  • Vitamin D and bone health; Potential mechanisms

    E Laird, M Ward, E McSorley, JJ Strain, J Wallace - Nutrients, 2010 - mdpi.com

    … [120] reported increases in lumbar spine BMD while conversely; another trial [115] supplementing with 500 IU D3 and 1000 mg calcium/d over the same intervention period reported no …

    2010508 citations
  • Vitamin D and bone health: epidemiologic studies

    PR Ebeling - BoneKEy reports, 2014 - pmc.ncbi.nlm.nih.gov

    … Supplementation with oral 500 mg calcium and 500 IU cholecalciferol per day for one year either reversed or abolished these seasonal changes. In the subjects receiving oral …

    2014116 citations
  • Vitamin D in health and disease: current perspectives

    R Zhang, DP Naughton - Nutrition journal, 2010 - Springer

    … One study conducted on 154 CD patients for 76 days showed that daily calcium (500 mg) and vitamin D (400 IU) supplementation was associated with an increase in bone mineral …

    2010577 citations
  • Human serum 25-hydroxycholecalciferol response to extended oral dosing with cholecalciferol

    RP Heaney, KM Davies, TC Chen… - … American journal of …, 2003 - academic.oup.com

    … μg (500 IU)/d, whereas the total amount from all sources (… in elderly subjects than in the healthy younger men in our study. … vitamin D repletion, produced no elevation of serum calcium …

    20031,977 citations
  • Vitamin D supplementation: recommendations for Canadian mothers and infants

    …, First Nations, Inuit and Métis Health … - … & Child Health, 2007 - academic.oup.com

    … Levels greater than 225 nmol/L (90 ng/mL) may be associated with hypercalcemia and calcium deposition in tissues, and levels greater than 500 nmol/L (greater than 200 ng/mL) are …

    2007141 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-10-23. DSLD Label ID: 207522. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.