Calcium 500 + D3®
Single Vitamin & MineralBrand: 21st Century
Functions
Net Contents
400 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
400
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 40985 27522 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) | 500 mg | 38% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
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.
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: 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
Guaranteed quality Laboratory tested
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)$5.4921st 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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