Calcium Citrate + D3 Maximum

Single Vitamin & Mineral

Brand: 21st Century

Tablet or PillOff Market
Click to view full label

Net Contents

400 Tablet(s)

Serving Size

2 Tablet(s)

Servings Per Container

Not specified

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 40985 27495 8

Product Version

Not specified

Suggested Use

Directions: As a calcium supplement; take two (2) tablets with any meal; twice daily or as directed by a healthcare provider. Do not exceed recommended dosage.

Market Reference

$2.95 – $141.99· 40 listings
  • 21st Century Calcium Citrate + D3 Maximum

    21st-century-vitamins4.8(4200)
    $8.49
  • 21st Century, Calcium Citrate Maximum + D3 Tablets, 75 Ea - 2 Pack

    Walmart - Healthmix4.8(4200)
    $11.70
  • 21st Century Calcium Citrate + D3 Max 400 Tablets

    Walmart - Healthmix4.8(4200)
    $22.99
  • 21st Century Calcium Citrate +D Caplets

    Walmart - Healthmix4.8(27)
    $12.00
  • 21st Century Calcium 500 + D3 400 Tablets

    21st-century-vitamins4.8(1400)
    $10.99
  • 21st Century Calcium Plus D3 1000 mg Tablets

    Target4.7(3700)
    $12.88
  • 21st Century Calcium Citrate D3 Petites Tablets

    Swanson Health Products4.8(353)
    $10.99
  • 21st Century Calcium Plus Tablets

    21st-century-vitamins4.8(1100)
    $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.

Research & Studies

  • Calcium and vitamin D supplementation: state of the art for daily practice

    RY Van der Velde, JRBJ Brouwers… - Food & nutrition …, 2014 - Taylor & Francis

    … that calcium citrate dissolved more completely than calcium … This study evaluated healthy elderly women who – in … 70 years or older were given a calcium supplement of 1,200 mg or a …

    201494 citations
  • Minerals and vitamins in bone health: the potential value of dietary enhancement

    JP Bonjour, L Guéguen, C Palacios… - British journal of …, 2009 - cambridge.org

    … that the bioavailability of calcium citrate-malate is very good, … 400IU (10 mg) vitamin D3 plus 1g Ca. This study showed no … value of supplementary Ca and vitamin D in bone health is …

    2009206 citations
  • Calcium citrate and vitamin D in the treatment of osteoporosis

    JMQ Gómez, JB Rubió, MD Curiel, AD Pérez - Clinical drug investigation, 2011 - Springer

    … for fractional absorption of calcium in 53 similarly aged healthy postmenopausal women administered … However, supplementing calcium with calcium citrate leads to less saturation of …

    201150 citations
  • Prevention and treatment of vitamin D and calcium deficiency in children and adolescents: Indian Academy of Pediatrics (IAP) guidelines

    A Khadilkar, V Khadilkar, J Chinnappa, N Rathi… - Indian pediatrics, 2017 - Springer

    … health effects to humans) for intake of vitamin D and calcium … , most supplements available thus contain D3. Reports … Supplements containing calcium citrate may be taken with or …

    2017143 citations
  • Role of Ca2+ and vitamin D in the prevention and treatment of osteoporosis

    MA Rodrıguez-Martınez, EC Garcıa-Cohen - Pharmacology & therapeutics, 2002 - Elsevier

    … The high prevalence of vitamin D deficiency in healthy elderly people living mainly in southern … The efficacy and safety of Ca 2+ and vitamin D supplements at preventing bone loss and …

    2002100 citations
  • Importance of calcium, vitamin D and vitamin K for osteoporosis prevention and treatment: symposium on 'Diet and bone health'

    SA Lanham-New - Proceedings of the Nutrition Society, 2008 - cambridge.org

    … peak bone mass and the rate of bone loss are determined by key endogenous and exogenous factors. Ca supplements … ) and vitamin D3 plus calcium on the bone health of older women…

    2008227 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-10-22. DSLD Label ID: 66140. 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.