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 27522 1
Product Version
Not specified
Suggested Use
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.
Market Reference
21st Century Calcium 500 + D3 Tablets
21st-century-vitamins4.8(1100)$10.9921st Century Calcium 500 + D3 Caplets
21st-century-vitamins4.8(1400)$5.4921st Century Calcium 500 + D3 400 Tablets
iHerb4.8(1400)$10.9921st Century Calcium 500 + D3 90 Cplts
Walmart - Pharma Frills4.0(8)$11.1121st Century Calcium Supplement Tablets
Target4.8(1800)$15.9921st Century Calcium + D3 Softgels
21st-century-vitamins4.8(657)$9.9921st Century Calcium Plus D3 1000 mg Tablets
Walmart - myREVCO4.7(3700)$11.6221st 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 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 citationsNutritional 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 citationsBenefits 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 citationsOptimal 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 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 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.
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