Net Contents
90 Tablet(s)
Serving Size
1–2 Tablet(s)
Servings Per Container
45
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
7 40985 22296 6
Product Version
1006
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report a %DV; 1 meet or exceed 100% DV.
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
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: 1–2 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Calcium(Oyster) | 1000 mg | 100% |
Percent Daily Value (DV)
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Take up to (2) tablets daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.
Warnings & Precautions
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
No Added Sugar, Yeast, Preservatives, Artificial Flavors or Colors.
Formula re: Contains
Contains a shellfish ingredient (oystershell)
Formula re: Contains
Oyster Shell
FDA Statements
FDA Statement of Identity
DIETARY SUPPLEMENT
FDA Disclaimer Statement
*This statement has 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
Unconditionally guaranteed for purity, freshness and label potency.
Brand IP Statement(s) re: (c), (TM), (SM)
*Os Cal(R) 500 is a registered trademark of Glaxo Smith Kline, Pittsburgh, PA 15230
Seals/Symbols
MADE IN USA
General Statements: All Other Content
1006
Brand IP Statement(s) re: (c), (TM), (SM)
Compare to Active Ingredients In Os Cal(R) 500*
Brand IP Statement(s) re: (c), (TM), (SM)
21ST Century(R)...for a healthier future.
General Statements: All Other Content
Calcium 500 Oyster Shell
General Statements: All Other Content
Regular exercise and a healthy diet with enough calcium helps those at high risk, including teen and young adult Caucasian and Asian women, maintain good bone health and reduce their high risk of developing osteoporosis later in life. Adequate calcium is important, but daily intakes of above about 2000 mg are not likely to provide any additional benefit.*
General: Product/Version Code
1006
General Statements: All Other Content
20% Free
Manufacturer & Distributor
Manufacturer
21st Century HealthCare, Inc.
2119 S. Wilson Street, Tempe, AZ, 85282, USA
Where to Buy Locally
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Showing representative supplement & health retailers — search above for stores in your area.
Cvs Supplements
Vitamin & supplements store
1812 Sam Houston St, Liberty, TX 77575
Research & Studies
Calcium supplements: benefits and risks
IR Reid, SM Bristow, MJ Bolland - Journal of internal medicine, 2015 - Wiley Online Library
… A total of 570 healthy postmenopausal women aged >55 … for osteoporosis or taking calcium supplements, were included in … over 500 women who were not using calcium supplements or …
2015210 citationsDietary calcium and health
HE Theobald - Nutrition Bulletin, 2005 - Wiley Online Library
… an intake of 1500 mg calcium/day in the form of supplements is discouraged as this can … could provide more than 100 mg calcium/day and, potentially, as much as 500 mg. In very soft …
2005381 citationsCalcium supplements and fracture prevention
DC Bauer - New England Journal of Medicine, 2013 - Mass Medical Soc
… her dietary calcium intake by 200 mg per day and discontinue her calcium supplements. If … , she can reduce her calcium carbonate supplementation to one 500-mg tablet each day. …
2013183 citationsDietary reference intakes for calcium and vitamin D
HB Del Valle, AL Yaktine, CL Taylor, AC Ross - 2011 - books.google.com
… and Prevention and Health Canada just as we … calcium when dietary supplements are considered suggest that older women have noticeably increased calcium intakes with supplement…
20115,086 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
… move forward into the twenty-first century with precise and … calcium (minimum 500 mg/day) as supplements or via diet. All treatment should be followed by lifelong vitamin D supplements…
2017228 citationsCalcium, is it better to have less?—Global health perspectives
CS Shin, KM Kim - Journal of cellular biochemistry, 2015 - Wiley Online Library
… regulating other aspects of health status. In addition, supplement of calcium and vitamin D along … However, it could be argued that those with low calcium intake (less than 500 mg/day) …
201517 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-08-24. DSLD Label ID: 11104. 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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