Calcium 500+D3®
Single Vitamin & MineralBrand: 21st Century
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
501068-0319N
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) | 5 mcg | 25% |
| 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, 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
Formula re: Contains
500 mg Calcium 5 mcg (200 IU) Vitamin D3
Formula re: Contains
Contains shellfish (oyster).
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 Calcium+D3
Seals/Symbols
Gluten free
General Statements: All Other Content
Bone Health Support
Brand IP Statement(s) re: (c), (TM), (SM)
Os-Cal is a registered trademark of GlaxoSmithKine, Pittsburgh, PA 15230
General Statements: All Other Content
Individual results may vary.
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)$5.49Lowest21st 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 + 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)$5.49Lowest
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.
GNC
3.8 (33)Vitamin & supplements store
13600 Baltimore Ave Spc #102, Laurel, MD 20707
The Vitamin Shoppe
4.4 (72)Vitamin & supplements store
10 University Blvd W, Silver Spring, MD 20901
Living Healthy
4.9 (869)Herbal medicine store
6000 Greenbelt Rd, Greenbelt, MD 20770
GNC
3.8 (25)Vitamin & supplements store
3467 Fort Meade Rd, Laurel, MD 20724
The Vitamin Shoppe
4.4 (104)Vitamin & supplements store
2460 Market St NE #701, Washington, DC 20018
GNC
4.6 (164)Vitamin & supplements store
3500 East-West Hwy, Hyattsville, MD 20782
The Vitamin Shoppe
4.5 (78)Vitamin & supplements store
2385 Brandermill Blvd Ste 103, Gambrills, MD 21054
GNC
4.7 (18)Vitamin & supplements store
2790 Macarthur Rd Bldg 2790, Fort Meade, MD 20755
Research & Studies
Vitamin 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 bone health; Potential mechanisms
E Laird, M Ward, E McSorley, JJ Strain, J Wallace - Nutrients, 2010 - mdpi.com
… [120] reported increases in lumbar spine BMD while conversely; another trial [115] supplementing with 500 IU D3 and 1000 mg calcium/d over the same intervention period reported no …
2010508 citationsVitamin D and bone health: epidemiologic studies
PR Ebeling - BoneKEy reports, 2014 - pmc.ncbi.nlm.nih.gov
… Supplementation with oral 500 mg calcium and 500 IU cholecalciferol per day for one year either reversed or abolished these seasonal changes. In the subjects receiving oral …
2014116 citationsVitamin D in health and disease: current perspectives
R Zhang, DP Naughton - Nutrition journal, 2010 - Springer
… One study conducted on 154 CD patients for 76 days showed that daily calcium (500 mg) and vitamin D (400 IU) supplementation was associated with an increase in bone mineral …
2010577 citationsHuman serum 25-hydroxycholecalciferol response to extended oral dosing with cholecalciferol
RP Heaney, KM Davies, TC Chen… - … American journal of …, 2003 - academic.oup.com
… μg (500 IU)/d, whereas the total amount from all sources (… in elderly subjects than in the healthy younger men in our study. … vitamin D repletion, produced no elevation of serum calcium …
20031,977 citationsVitamin D supplementation: recommendations for Canadian mothers and infants
…, First Nations, Inuit and Métis Health … - … & Child Health, 2007 - academic.oup.com
… Levels greater than 225 nmol/L (90 ng/mL) may be associated with hypercalcemia and calcium deposition in tissues, and levels greater than 500 nmol/L (greater than 200 ng/mL) are …
2007141 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: 207522. 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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