Brand: 21st Century

Tablet or PillOff Market
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Net Contents

110 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 40985 27062 2

Product Version

Not specified

Suggested Use

Directions: As a dietary supplement; take one (1) tablet daily with any meal for maximum daily results; or as directed by your healthcare provider. Do not exceed recommended dosage.

Market Reference

$1.20 – $180.50· 40 listings
  • 21st Century Vitamin

    21st-century-vitamins4.8(3000)
    $6.99
  • 21st Century D3 Tablets

    iHerb4.8(3000)
    $3.00
  • 21st Century Calcium Plus D3 1000 mg Tablets

    21st-century-vitamins4.7(3700)
    $6.49
  • 21st Century D 1000 Iu Extra Strength Tablets

    Walmart - Pharma Frills
    $22.22
  • 21st Century 1000 Iu Softgels

    iHerb4.8(3000)
    $5.81
  • 21st Century Tablets D3 500

    21st-century-vitamins4.8(208)
    $10.99
  • 21st Century 1000IU Tablets

    Med-Vet International5.0(2)
    $1.20Lowest
  • 21st Century Calcium 1000 + D Tablets

    Walmart - Pharma Frills
    $23.41

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.

  • COLORADO DISCOUNT NUTRITION

    5.0 (1070)

    Vitamin & supplements store

    6975 W 88th Ave F, Westminster, CO 80021

  • Colorado Discount Nutrition

    5.0 (701)

    Vitamin & supplements store

    1945 S Sheridan Blvd Unit 103, Denver, CO 80227

  • Supplement Giant

    4.9 (330)

    Vitamin & supplements store

    98 Wadsworth Blvd #126, Lakewood, CO 80226

  • The Vitamin Shoppe

    4.3 (198)

    Vitamin & supplements store

    385 S Colorado Blvd, Denver, CO 80246

  • COLORADO DISCOUNT NUTRITION

    5.0 (397)

    Vitamin & supplements store

    9441 S University Blvd, Highlands Ranch, CO 80126

  • Max Muscle Nutrition

    5.0 (322)

    Vitamin & supplements store

    9226 Park Meadows Dr #200, Lone Tree, CO 80124

  • The Vitamin Shoppe

    4.4 (116)

    Vitamin & supplements store

    8283 S Akron St #100, Centennial, CO 80112

  • Waves

    5.0 (47)

    Grow shop

    6709 W 58th Pl Suite#2, Arvada, CO 80003

Research & Studies

  • Mounting evidence for vitamin D as an environmental factor affecting autoimmune disease prevalence

    MT Cantorna, BD Mahon - Experimental biology and …, 2004 - journals.sagepub.com

    … The optimal level of vitamin D intake required to support optimal immune function is not known but is likely to be at least that required for healthy bones. Experimentally, vitamin D …

    2004826 citations
  • The vitamin D epidemic and its health consequences

    MF Holick - The Journal of nutrition, 2005 - Elsevier

    … Vitamin D deficiency also has other serious consequences on overall health and well-being. There is mounting scientific evidence that implicates vitamin D deficiency with an increased …

    20051,016 citations
  • Evidence-based D-bate on health benefits of vitamin D revisited

    MF Holick - Dermato-endocrinology, 2012 - Taylor & Francis

    Vitamin D has received worldwide attention not only for its importance for bone health in children and adults but also for reducing risk for many chronic diseases including autoimmune …

    2012149 citations
  • Vitamin D: importance in the prevention of cancers, type 1 diabetes, heart disease, and osteoporosis

    MF Holick - The American journal of clinical nutrition, 2004 - Elsevier

    The purpose of this review is to put into perspective the many health benefits of vitamin D and the role of vitamin D deficiency in increasing the risk of many common and serious …

    20042,804 citations
  • Vitamin D for treatment of non‐alcoholic fatty liver disease detected by transient elastography: a randomized, double‐blind, placebo‐controlled trial

    V Lukenda Zanko, V Domislovic… - Diabetes, Obesity …, 2020 - Wiley Online Library

    … chronic liver disease (CLD) of the 21st century. It encompasses the entire spectrum of fatty … patients were enrolled and randomized, 201 to vitamin D 1000 IU/day and 110 to placebo. …

    202037 citations
  • Nutritional strategies for skeletal and cardiovascular health: hard bones, soft arteries, rather than vice versa

    JH O'Keefe, N Bergman, P Carrera-Bastos… - Open …, 2016 - openheart.bmj.com

    … and nutritional supplements for long-term skeletal health and cardiovascular health. To … is best obtained from dietary sources rather than supplements; (2) ensure that adequate …

    201656 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-08-24. DSLD Label ID: 11180. 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.