Calcium 500 + D3®

Single Vitamin & Mineral

Brand: 21st Century

Tablet or PillSingle Vitamin and MineralOn Market

Functions

Click to view full label

Net Contents

400 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

400

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 40985 27522 1

Product Version

501078-0420N

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)15 mcg75%
Calcium(Oyster)500 mg38%

Not Present

Other Ingredients

MaltodextrinCroscarmellose SodiumCelluloseContains <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, 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

Formulation re: Other

Bone health support

Formula re: Contains

500 mg calcium 15 mcg (600 IU) vitamin D3

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 Extra D3

General Statements: All Other Content

Individual results may vary.

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

This product is not manufactured or distributed by GlaxoSmithKline, licensed user of the trademark Os-Cal.

Seals/Symbols

Guaranteed quality Laboratory tested

Manufacturer & Distributor

Manufacturer

21st Century HealthCare, Inc.

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

Market Reference

$4.99 – $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)
    $5.49
  • 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)
    $5.49

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.

  • Vegas Discount Nutrition

    5.0 (911)

    Vitamin & supplements store

    8675 W Rome Blvd #190, Las Vegas, NV 89149

  • The Vitamin Shoppe

    4.5 (72)

    Vitamin & supplements store

    6640 N Durango Dr, Las Vegas, NV 89149

  • Vegas Discount Nutrition

    5.0 (1106)

    Vitamin & supplements store

    6050 N Decatur Blvd Ste 103, North Las Vegas, NV 89031

  • GNC

    4.5 (34)

    Vitamin & supplements store

    7085 W Ann Rd, Las Vegas, NV 89130

  • Vegas Discount Nutrition

    5.0 (2003)

    Vitamin & supplements store

    4180 S Grand Canyon Dr, Las Vegas, NV 89147

  • Manantial De Salud The Vitamin Store

    4.8 (47)

    Vitamin & supplements store

    4880 E Bonanza Rd #9, Las Vegas, NV 89110

  • The Vitamin Shoppe

    4.7 (112)

    Vitamin & supplements store

    Pad J, 8820 W Charleston Blvd #102, Las Vegas, NV 89117

  • Vegas Discount Nutrition

    5.0 (1352)

    Vitamin & supplements store

    Parking lot, 1725 N Rainbow Blvd #180, Las Vegas, NV 89108

Research & Studies

  • The vitamin D deficiency pandemic: a forgotten hormone important for health

    MF Holick - Public health reviews, 2010 - Springer

    … 1500 mg of calcium and 1100 IU of vitamin D a day revealed a … of vitamin D3 or 500 IU of vitamin D2 +500 IU of vitamin D3 were … In: Vitamin D and health in the 21st century: bone and …

    2010259 citations
  • 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
  • Nutritional rickets and osteomalacia in the twenty-first century: revised concepts, public health, and prevention strategies

    S Uday, W Högler - Current Osteoporosis Reports, 2017 - Springer

    … All individuals should also receive concomitant calcium (minimum 500 mg/day) as supplements or via diet. All treatment should be followed by lifelong vitamin D supplements, since the …

    2017224 citations
  • Benefits and requirements of vitamin D for optimal health: a review

    WB Grant, MF Holick - Altern Med Rev, 2005 - anaturalhealingcenter.com

    … D in calcium absorption and metabolism for bone health is … Clinical studies found 500-1,000 IU of vitamin D/day maintains … Vitamin D and health in the 21st century: bone and beyond. …

    2005895 citations
  • Optimal serum 25-hydroxyvitamin D levels for multiple health outcomes

    HA Bischoff-Ferrari - Sunlight, Vitamin D and Skin Cancer, 2015 - Springer

    … the use of vitamin D supplements outside the study protocol, … women inthe Women's Health Initiative Trial over a treatment … D (700 ill/day) plus calcium (500 mg/day) supplementation …

    2015184 citations
  • Use of calcium or calcium in combination with vitamin D supplementation to prevent fractures and bone loss in people aged 50 years and older: a meta-analysis

    BMP Tang, GD Eslick, C Nowson, C Smith… - The lancet, 2007 - thelancet.com

    … the randomised trials in which calcium, or calcium in combination with vitamin D, was used to … of calcium, and 800 IU of vitamin D (for combined calcium plus vitamin D supplementation). …

    20072,029 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-10-22. DSLD Label ID: 258367. 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.