Oyster Shell Calcium 500 mgnone

Single Vitamin & Mineral

Brand: Nature's Blend

Tablet or PillSingle Vitamin and MineralOn Market

Functions

Bone & Joint

Product label for Oyster Shell Calcium 500 mg — Click to view full label

Net Contents

30 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 79854 03037 2

Product Version

Stock No. 3037 F19 NVC# 54629-303730

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report an established %DV per serving.

1Dietary Attributes

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

Calcium CarbonateModified CelluloseMaltodextrinAcacia GumCroscarmellose SodiumMagnesium StearateTriacetinPolydextroseTitanium DioxideSilicon DioxideStarchMedium Chain TriglycerideCalcium PhosphateDL-Alpha-TocopherolBlue #1 LakeRiboflavin

Target Groups

Adult (18 - 50 Years)Gluten Free

Label Claims

NutrientAll OtherStructure/Function

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.P65Warnings.ca.gov/food.

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

Made in USA & American owned

Formula re: Contains

Oyster Shell Calcium with vitamin D3

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

Questions/Comments call 1-800-682-9862

General Statements: All Other Content

Actual size

Manufacturer & Distributor

Manufacturer

National Vitamin Company

Casa Grande, AZ, 85122

1-800-682-9862

Market Reference

$3.94 – $119.99· 40 listings

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$25.07
Nature Made Calcium Carbonate 500 mg Tablets
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$16.99
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Walmart - Pharma Frills4.6(27)
$52.14
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$9.67
Nature's Blend Calcium Chewable Tablets
Swanson Health Products4.7(31)
$21.19

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.

East Lake Nutrition
4.7 (16)
Health food store
8315 1st Ave N Unit F, Birmingham, AL 35206
Directions (205) 834-3974
The Vitamin Shoppe
4.5 (109)
Vitamin & supplements store
3220 Morrow Rd, Birmingham, AL 35235
Directions (205) 661-0024
GNC
4.5 (33)
Vitamin & supplements store
5066 Pinnacle Sq Ste 120, Birmingham, AL 35235
Directions (205) 655-7042
Roebuck nutricion herbalife. Birmingham al
4.5 (8)
Vitamin & supplements store
500 Gene Reed Rd, Birmingham, AL 35215
Directions (205) 202-6846
Walmart Supercenter
3.8 (6062)
Department store
1600 Montclair Rd, Birmingham, AL 35210
Directions (205) 956-0416
The Vitamin Shoppe
4.4 (171)
Vitamin & supplements store
1713 Montgomery Hwy Ste 101, Birmingham, AL 35244
Directions (205) 987-5328
GNC
4.0 (30)
Vitamin & supplements store
3036 Healthy Way E-7, Vestavia Hills, AL 35243
Directions (205) 969-7984
GNC
4.1 (34)
Vitamin & supplements store
5287 US-280 Suite 257, Birmingham, AL 35242
Directions (205) 995-5121

Research & Studies

Marine shells: Potential opportunities for extraction of functional and health-promoting materials
Y Hou, A Shavandi, A Carne, AA Bekhit… - Critical Reviews in …, 2016 - Taylor & Francis
… to that of calcium phosphate prepared from commercial calcium carbonate. Generally, oyster shell produced lower yields of calcium phosphate than Corbicula shell.Citation [127,128] …
2016184 citations
Research progress on applications of calcium derived from marine organisms
Y Xu, J Ye, D Zhou, L Su - Scientific reports, 2020 - nature.com
… health, especially bone health. Marine biological … Oyster shell calcium powder can improve the chewiness and springiness of restructured ham 94 . Calcium-rich shrimp and crab shells …
202092 citations
Lead content of calcium supplements
EA Ross, NJ Szabo, IR Tebbett - Jama, 2000 - jamanetwork.com
… by our medical center (University of Florida, Gainesville). The … (ie, oyster shell) derivatives when used in the calcium dose … Products not labeled as being of natural or oyster shell origin …
2000107 citations
Shell waste management and utilization: mitigating organic pollution and enhancing sustainability
N Topić Popović, V Lorencin, I Strunjak-Perović… - Applied Sciences, 2023 - mdpi.com
… supplementation [5]. The CaCO 3 extracted from oyster shells is also used as a food supplement … can be successfully turned into mixed-material medical radiation shields. The shielding …
2023232 citations
Antimicrobial Properties of Thermally Processed Oyster Shell Powder for Use as Calcium Supplement
S Ahn, S Lee, S Lim - Foods, 2025 - mdpi.com
… Except for coral-derived calcium supplements, all oyster shell-derived calcium materials … the production of calcium-based materials derived from oyster shells using patented processing …
20257 citations
Increase of bone mineral density by calcium supplement with oyster shell electrolysate
T Fujita, M Fukase, H Miyamoto, T Matsumoto, T Ohue - Bone and mineral, 1990 - Elsevier
… calcium supplementation, in patients with osteoporosis is still a matter of controversy, Oyster shell … Dietary calcium intake and bone loss from the spine in healthy postmenopausal …
199067 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-05-23. DSLD Label ID: 310361. 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.