Calcium 1000 mg®

Single Vitamin & Mineral

Brand: 21st Century

Tablet or PillSingle Vitamin and MineralOn Market

Functions

Click to view full label

Net Contents

90 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

90

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 40985 27070 7

Product Version

500828-0521

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 a %DV; 1 meet or exceed 100% DV.

2Dietary Attributes

Label states: Non-GMO, 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

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) · 1 per day

IngredientAmount Per Serving% Daily Value
Vitamin D3(Cholecalciferol)20 mcg100%
Calcium(Calcium Carbonate)1000 mg77%

Not Present

Other Ingredients

Gum AcaciaCroscarmellose SodiumFD&C Blue #2 CarmineFD&C Yellow #5FD&C Yellow #6Magnesium SilicateMagnesium StearatePolyethylene GlycolPolyvinyl AlcoholStearic AcidTitanium Dioxide

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 daily with any meal or as directed by a healthcare provider.

Warnings & Precautions

Precautions re: All Other

Do not exceed recommended dosage. Stop use and contact a physician if adverse reactions occur. Do not use if product appears to be tampered with or seal is broken.

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: Children

Keep out of reach of children.

Storage

Storage

Store at room temperature.

Formulation

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.

Formula re: Contains

Calcium Plus D3 | 20 mcg (800 IU)

Formulation re: Other

One daily calcium Bone health support Vitamin D3 added to assist calcium absorption

Formulation re: Does NOT Contain

Gluten free | Non-GMO

Formulation re: Other

Guaranteed quality Laboratory tested Trusted quality for over 30 years

FDA Statements

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.

FDA Statement of Identity

Calcium & Vitamin D3 Supplement

Other Label Statements

General Statements: All Other Content

Individual results may vary.

Manufacturer & Distributor

Manufacturer

21st Century HealthCare, Inc.

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

Market Reference

$4.69 – $151.20· 38 listings
  • 21st Century Calcium 1000 mg Tablets

    21st-century-vitamins4.7(3800)
    $6.49
  • 21st Century Calcium Magnesium Zinc + D3 250 Tablets

    Target4.7(36000)
    $14.99
  • 21st Century Calcium Citrate + D3 Petites Coated Tablets 200 Ea

    eBay - fai9975
    $15.23
  • 21st Century Calcium Plus D3 Softgels

    21st-century-vitamins4.7(605)
    $9.99
  • 21st Century, Calcium Citrate Maximum + D3 Tablets, 75 Ea

    Walmart - Pharma Frills
    $47.74
  • Pack of 12-Calcium+D 1000Mg-800 Tab 90 By 21st Century

    AmericanPharmaWholesale.com
    $54.99
  • 21st Century Cal Mag Zinc + D3 Tablets

    Swanson Health Products4.8(5600)
    $5.49
  • 21st Century Calcium Citrate +D Caplets

    Walmart - Healthmix4.8(10)
    $12.00

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.

  • Vitamin Store/All The Best 3.0

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    Via in Lucina, 7, 00186 Roma RM

  • XFORMA Store Roma

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    Via Enea, 42, 00181 Roma RM

  • NUTRIFIT Integratori Sportivi

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    Via Sesto Fiorentino, 25, 00146 Roma RM

  • Fitness Nutrition - Integratori alimentari

    4.8 (103)

    Sports nutrition store

    Via Oderisi da Gubbio, 186, 00146 Roma RM

  • Vitaminstore Roma

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    Via Tor de' Schiavi, 265c, 00171 Roma RM

  • Vitaminstore Ostiense

    4.7 (33)

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    Via Pellegrino Matteucci, 104H, 00154 Roma RM

Research & Studies

  • Calcium deficiency worldwide: prevalence of inadequate intakes and associated health outcomes

    J Shlisky, R Mandlik, S Askari, S Abrams, JM Belizan… - 2022 - Wiley Online Library

    … healthy participants with a mean calcium intake of >1000 mg/day found that calcium intakes of <800 mg… well-documented benefits of calcium supplementation beyond bone health is a …

    2022302 citations
  • Calcium intake and health

    G Cormick, JM Belizán - Nutrients, 2019 - mdpi.com

    … Ratio 1.17 (95% CI 1.02–1.34)] was reported in only one trial in women aged 50 to 79 years who received vitamin D3 400 IU supplements in combination with 1000 mg of calcium …

    2019571 citations
  • Calcium supplements and fracture prevention

    DC Bauer - New England Journal of Medicine, 2013 - Mass Medical Soc

    … of daily supplementation with more than 1000 mg of calcium (or … daily supplementation with 1000 mg or less of calcium or 400 … for or against the use of calcium supplements in men and …

    2013183 citations
  • Calcium supplements: benefits and risks

    IR Reid, SM Bristow, MJ Bolland - Journal of internal medicine, 2015 - Wiley Online Library

    … apparently healthy people – throughout the world – develop and live satisfactorily on a dietary intake of calcium which lies between 300 mg and over 1000 mg a … A total of 570 healthy …

    2015210 citations
  • Calcium, is it better to have less?—Global health perspectives

    CS Shin, KM Kim - Journal of cellular biochemistry, 2015 - Wiley Online Library

    … whether supplementation of 1,000 mg of elemental calcium to subjects already taking … 1,000 mg of dietary calcium is safe. Although dietary calcium is preferable to supplemental calcium…

    201517 citations
  • Dietary calcium and health

    HE Theobald - Nutrition Bulletin, 2005 - Wiley Online Library

    … (RNI) for calcium for adults aged over 19 years is 700 mg/day; … intake of 1500 mg calcium/day in the form of supplements is … of 1000 mg calcium per person per day; average calcium …

    2005381 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-04-24. DSLD Label ID: 334868. 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.