Oyster Shell Calcium 500 mg with Vitamin D3none
Single Vitamin & MineralBrand: Nature's Blend
Functions
Net Contents
100 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
100
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 79854 01680 2
Product Version
Stock No. 1680 E19 NVC# 54629-037701
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
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) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin D3(Cholecalciferol) | 10 mcg | 50% |
| Calcium(Oyster Shell) | 500 mg | 38% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take one tablet daily, preferably with a meal or as directed by your healthcare professional.
Warnings & Precautions
Precautions re: Children
Keep out of the reach of children.
Precautions re: All Other
Double safety sealed for your protection. Do not use if either seal is broken or missing.
Precautions re: All Other
Warning: Consuming this product can expose you to lead, which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnimgs.ca.gov/food.
Storage
Storage
Store in a cool, dry place.
Formulation
Formulation re: Does NOT Contain
Gluten free. No preservatives, artificial flavors, wheat, yeast, or corn added.
Formulation re: Other
This product is manufactured under strict quality control guidelines; therefore, purity and label potency are guaranteed. Made in USA & American Owned
Formula re: Contains
Oyster Shell Calcium may strengthen bones. Vitamin D helps your body absorb calcium and phosphorus.
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 disease.
Other Label Statements
General Statements: All Other Content
NVC# 54629-037701
Manufacturer & Distributor
Manufacturer
National Vitamin Company
Casa Grande, AZ, 85122
1-800-682-9862
Market Reference
Nature's Blend Oyster Shell Calcium with D3 Tablets
Swanson Health Products4.6(27)$11.67Nature's Blend Oyster Shell Calcium Tablets
Swanson Health Products4.8(17)$6.29Nature's Blend 3163 Calcium Oyster Shell Pack of 2
Walmart - FM Pharmacy$25.07Geri-Care Calcium with Vitamin D Supplement
Tri-State Surgical Supply and Equipment4.4(9)$3.94Nature's Blend Calcium Oyster Shell Magnesium Tablets
Herbs Direct4.5(4)$7.39Nature's Blend Oyster Shell Calcium 500mg with D3 Vitamin D3, 100 ct, 6 Pack, Size: 500 mg, Other
Walmart - Pharma Frills4.6(27)$52.14Major Oyster Shell Calcium Tablets
Med-Vet International4.5(31)$5.42Case of 12-Calcium Oyster 500mg Tab 100 Count Nature's Blend By Na
AmericanPharmaWholesale.com$57.49
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.
Holland & Barrett - Strand
3.7 (51)Vitamin & Supplements Shop
406-408 Strand, London WC2R 0NE
Nutriburst
4.6 (30)Manufacturer
8 Waterloo Pl, London SW1Y 4BN
British Supplements
3.4 (274)Vitamin & Supplements Shop
34, New House, 67-68 Hatton Garden, London EC1N 8JY
Holland & Barrett - Covent Garden
3.7 (60)Vitamin & Supplements Shop
39 Long Acre, London WC2E 9LG
Holland & Barrett - Tottenham Court Road 2
4.2 (52)Vitamin & Supplements Shop
253-254, 253-254 Tottenham Ct Rd, The Avenue, London W1T 7RD
Holland & Barrett - Tottenham Court Road
4.1 (49)Vitamin & Supplements Shop
65 Tottenham Ct Rd, London W1T 2EU
Holland & Barrett - Chancery Lane
4.3 (40)Vitamin & Supplements Shop
8 High Holborn, London WC1V 6DR
Holland & Barrett - Pimlico
4.6 (41)Vitamin & Supplements Shop
10 Warwick Wy, Pimlico, London SW1V 1QT
Research & Studies
Absorbability and cost effectiveness in calcium supplementation
RP Heaney, MS Dowell, J Bierman… - Journal of the …, 2001 - Taylor & Francis
… to vitamin D insufficiency or to seasonal change in vitamin D … and consisting of calcium carbonate derived from oyster shell), … of calcium citrate), a gelatin capsule containing precipitated …
2001278 citationsResearch progress on applications of calcium derived from marine organisms
Y Xu, J Ye, D Zhou, L Su - Scientific reports, 2020 - nature.com
… of vitamin D, which plays a key role in calcium … Oyster shell calcium powder can improve the chewiness and springiness of restructured ham 94 . Calcium-rich shrimp and crab shells can …
202092 citationsEFFECT OF ADDING VITAMIN D3 AND VARIOUS PARTICLE SIZE OF OYSTER SHELL TO DIETS IN CALCIUM AND VITAMIN D3 CONCENTRATION, EGG SHELL …
AM Rashed, AA Yousif - Anbar Journal of Agricultural Sciences, 2022 - ajas.uoanbar.edu.iq
… ( 1994 ) This study investigates the inclusion of vitamin D3 and oyster shells with varying particle sizes as ingredients in the diets provided to laying hens. The diets are primarily …
2022Shell waste management and utilization: mitigating organic pollution and enhancing sustainability
N Topić Popović, V Lorencin, I Strunjak-Perović… - Applied Sciences, 2023 - mdpi.com
… The CaCO 3 extracted from oyster shells is also used as a food supplement for … oyster shell electrolysate was reported to raise serum Ca and increase urinary Ca excretion in vitamin D-…
2023232 citationsLead in Calcium Supplements: Much Ado About Nothing?
J Appleton, NDH Newswire - Health Notes News Wire, 2000
20002 citationsBioavailability of calcium from calcium carbonate, DL-calcium lactate, L-calcium lactate and powdered oyster shell calcium in vitamin D-deficient or-replete rats
N Tsugawa, T Okano, R Higashino… - Biological and …, 1995 - jstage.jst.go.jp
… Thus, we conclude that calcium is utilized to the same extent from calcium carbonate, DL-calcium lactate, L-calcium lactate and powdered oyster shell-calcium in both vitamin D—…
199553 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-08-23. DSLD Label ID: 274594. 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