Calcium 500 + D3®
Single Vitamin & MineralBrand: 21st Century
Functions
Net Contents
90 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
90
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 40985 27519 1
Product Version
501078-0420N
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
2 ingredients report an established %DV per serving.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Contains
- Shellfish
Free From
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 2 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin D3(Cholecalciferol) | 15 mcg | 75% |
| Calcium(Oyster Shell) | 500 mg | 50% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
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.
Warnings & Precautions
Precautions re: Allergies
Contains shellfish (oyster).
Precautions re: All Other
Do not exceed recommended dosage.
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Precautions re: All Other
Stop use and contact a physician if adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if product appears to be tampered with or seal is broken.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Does NOT Contain
Gluten Free
Formulation re: Other
Bone health support
Formula re: Contains
500 mg calcium 15 mcg (600 IU) vitamin D3
Formula re: Contains
Calcium is an important mineral for bone health. Vitamin D3 is added to assist with calcium absorption.
Formulation re: Does NOT Contain
No added yeast or artificial flavors. Gluten Free.
FDA Statements
FDA Statement of Identity
Calcium & Vitamin D3 Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Other Label Statements
General Statements: All Other Content
Compare VS. Os-Cal Extra D3
General Statements: All Other Content
Individual results may vary.
Brand IP Statement(s) re: (c), (TM), (SM)
This product is not manufactured or distributed by GlaxoSmithKline, licensed user of the trademark Os-Cal.
Seals/Symbols
Laboratory Tested Guaranteed Quality
Manufacturer & Distributor
Manufacturer
21st Century HealthCare, Inc.
2119 S. Wilson St., Tempe, AZ, 85282, USA
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)$5.49Lowest21st 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 Citrate + D3 Maximum
Swanson Health Products4.8(4200)$8.4921st Century Calcium + D3 Softgels
21st-century-vitamins4.8(657)$9.9921st Century Calcium Plus D3 1000 mg Tablets
Walmart - myREVCO4.7(3700)$11.62
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.
Body Delights Supplements
5.0 (498)Vitamin & supplements store
394R Washington Ave, Belleville, NJ 07109
CENTRE NUTRITION & WELLNESS
4.6 (19)Vitamin & supplements store
379 Centre St, Nutley, NJ 07110
Bloomfield Health Food Center
4.3 (27)Vitamin & supplements store
425 Broad St, Bloomfield, NJ 07003
Hundred
4.3 (41)Vitamin & supplements store
50 S Center St Ste 3, City of Orange, NJ 07050
The Vitamin Shoppe
4.4 (186)Vitamin & supplements store
370 NJ-3, Clifton, NJ 07014
GNC
4.4 (187)Vitamin & supplements store
1057 Bloomfield Ave Store 11, Clifton, NJ 07012
GNC
3.9 (50)Vitamin & supplements store
495 Prospect Ave #1280, West Orange, NJ 07052
The Vitamin Shoppe
4.5 (139)Vitamin & supplements store
130 NJ-17 Suite 14, East Rutherford, NJ 07073
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 2021-10-22. DSLD Label ID: 258366. 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