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 27531 3
Product Version
Not specified
Suggested Use
Directions: As a calcium supplement; adults 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 Supplement Tablets
Walmart - Thrifty White Health4.8(1800)$17.1221st Century Calcium 600 + D3 Plus Minerals Caplets
iHerb4.8(364)$5.4921st Century Calcium 600 + D3 Chewable Tablets
21st-century-vitamins4.4(96)$9.9921st Century Tablets D3 500
Target4.8(208)$13.9921st Century D3 Tablets
Target4.8(511)$12.8421st Century 600+D3 Plus Minerals 120 Tablets
GoSupps.com4.8(364)$24.9921st Century Calcium Supplement Tablets 600 mg 75 Tablets
21st-century-vitamins4.7(1500)$4.9921st Century Cal Mag Zinc + D3 Tablets
Swanson Health Products4.7(40000)$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.
Coalition Nutrition
4.9 (253)Vitamin & supplements store
2026 E Old Lincoln Hwy, Langhorne, PA 19047
Nutrition Store: Going Out of Business Sale!
4.8 (170)Vitamin & supplements store
1879 Street Rd, Bensalem, PA 19020
Inspyr Nutrition Warminster
4.9 (42)Sports nutrition store
342 York Rd, Warminster, PA 18974
Vitamins Shop NKUD
Vitamin & supplements store
605 Louis Dr #502, Warminster, PA 18974
Body Kitchen
Vitamin & supplements store
320 Half Acre Rd, Cranbury, NJ 08512
Research & Studies
The vitamin D deficiency pandemic: a forgotten hormone important for health
MF Holick - Public health reviews, 2010 - Springer
… of newborns were vitamin D deficient even though the women were ingesting ~600 IU of vitamin … In: Vitamin D and health in the 21st century: bone and beyond. Am J Clin Nutr. 2004;80:…
2010259 citationsVitamin D: a critical and essential micronutrient for human health
I Bendik, A Friedel, FF Roos, P Weber… - Frontiers in …, 2014 - frontiersin.org
… 3 , calcium and bone metabolism can be considered to be secured with highest priority, therefore, it might be speculated that the 600–800 IU intake would satisfy this vitamin D 3 serum …
2014336 citationsThe emerging role of vitamin D3 in women's health
SS Khadilkar - The Journal of Obstetrics and Gynecology of India, 2013 - Springer
… D has emerged as one of the most controversial nutrients and prohormones of the 21st century, … with a daily intake of <600 mg of calcium and <400 IU of vitamin D [25]. Another study on …
201324 citationsMcCollum Award Lecture, 1994: vitamin D—new horizons for the 21st century
MF Holick - The American journal of clinical nutrition, 1994 - Elsevier
… D is absolutely essential for the maintenance of a healthy … that vitamin D insufficiency and vitamin D deficiency in elderly … the vitamin D requirement is at least 15 µg (600 IU)/d. The skin …
19941,074 citationsBenefits and requirements of vitamin D for optimal health: a review
WB Grant, MF Holick - Altern Med Rev, 2005 - anaturalhealingcenter.com
… for children and younger adults, 400 IU/day for those ages 51-70, and 600 IU/day for those … Vitamin D and health in the 21st century: bone and beyond. Executive summary. Am J Clin …
2005895 citationsVitamin D: evidence-based health benefits and recommendations for population guidelines
WB Grant, SJ Wimalawansa, P Pludowski, RZ Cheng - Nutrients, 2025 - mdpi.com
… This study reviews the myriad health benefits of vitamin D, supporting the need to update vitamin D-… These guidelines recommend a supplementation of 600–800 IU/day of vitamin D and …
2025162 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2019-10-23. DSLD Label ID: 207528. 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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