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
Not specified
Suggested Use
Directions: As a calcium supplement; take one (1) tablet twice daily with any meal or as directed by your healthcare provider. Do not exceed recommended dosage. Individual results may vary.
Market Reference
21st Century Calcium 500 + D3 Tablets
21st-century-vitamins4.8(1100)$10.9921st Century Calcium 500 + D3 Caplets
Walmart - iHerb4.8(1400)$6.3121st Century Calcium 500 + D3 90 Cplts
Walmart - Pharma Frills4.0(8)$11.1121st Century Calcium 500 + D3 400 Tablets
iHerb4.8(1400)$10.9921st Century Calcium + D3 Softgels
Target4.8(657)$13.9921st Century Calcium 600 + D3 Plus Minerals Caplets
21st-century-vitamins4.8(364)$5.4921st Century Calcium Plus D3 1000 mg Tablets
Swanson Health Products4.7(3700)$6.4921st Century Calcium Plus Extra D Caplets
Walmart - Wisermerchant4.8(1400)$30.09
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.
The Vitamin Shoppe
4.7 (184)Vitamin & supplements store
6731 Ritchie Hwy, Glen Burnie, MD 21061
GNC
4.8 (276)Vitamin & supplements store
7000 Arundel Mills Cir Spc #323, Hanover, MD 21076
GNC
3.7 (11)Vitamin & supplements store
6710 Ritchie Hwy Ste F, Glen Burnie, MD 21061
e-NutritionStore.com
5.0 (10)Vitamin & supplements store
6010 Meadowridge Center Dr K, Elkridge, MD 21075
GNC
4.7 (18)Vitamin & supplements store
2790 Macarthur Rd Bldg 2790, Fort Meade, MD 20755
The Vitamin Shoppe
4.5 (78)Vitamin & supplements store
2385 Brandermill Blvd Ste 103, Gambrills, MD 21054
Total Athlete Nutrition Center
4.8 (17)Vitamin & supplements store
5601 Eastern Ave Suite 515, Baltimore, MD 21224
NorthStar Nutritionals
4.4 (21)Vitamin & supplements store
1001 Cathedral St, Baltimore, MD 21201
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 citationsVitamin 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 citationsVitamin D and health: evolution, biologic functions, and recommended dietary intakes for vitamin D
MF Holick - Vitamin D: Physiology, molecular biology, and clinical …, 2010 - Springer
… years and older who received 500 mg of calcium and 700 IU of vitamin D (70). … calcium in their diet and need to take a calcium supplement, I recommend either calcium citrate or calcium …
2010296 citationsCalcium and vitamin D nutrition and bone disease of the elderly
C Gennari - Public health nutrition, 2001 - cambridge.org
… -controlled trial of the effect of calcium (500 mg/day) and vitamin D (700IU/day) in healthy community-based men and women older … Vitamin D-new horizons for the 21st century. Am. J. …
2001404 citationsOverview of the conference “Vitamin D and Health in the 21st Century: an Update”
PM Brannon, EA Yetley, RL Bailey… - The American journal …, 2008 - academic.oup.com
… of Health conference “Vitamin D and Health in the 21st Century: … a National Institutes of Health roundtable discussion held after … However, calcium and vitamin D supplementation during …
2008251 citationsUse 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 2015-03-25. DSLD Label ID: 43590. 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.
Related Products

100% Natural E-400 IU With Selenium 50 mcg
Vitamin World

600+D
Caltrate

600+D
Caltrate

600+D3
21st Century