Natural Oyster Shell Calcium 500 mg + Vitamin D®

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

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 1 Tablet(s) · 2–3 per day

Not Present

• 

  CVS Health Calcium Vitamin D3 Tablets

  CVS Pharmacy4.6(296)

  $14.79
• 

  CVS Calcium Tablets 150 ct

  CVS Pharmacy4.6(249)

  $12.79
• 

  CVS Health Calcium 500 Mg with Vitamin D 3 25 Mcg 50 Gummies

  CVS Pharmacy4.4(74)

  $11.59
• 

  CVS Health Calcium + D Plus Minerals Tablets 120 ct

  CVS Pharmacy4.6(59)

  $14.79
• 

  Nature Made Calcium Carbonate 500 mg Tablets

  CVS Pharmacy4.7(279)

  $16.99
• 

  CVS Health Calcium & D3 Twin Pack Tablets

  CVS Pharmacy4.8(156)

  $23.49
• 

  Nature's Bounty Calcium and D3 Tablets

  CVS Pharmacy4.8(239)

  $21.49
• 

  CVS Calcium + D3 Softgels

  CVS Pharmacy4.2(164)

  $16.49

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

  3.1 (21)

  Vitamin & supplements store

  3200 Holcomb Bridge Rd Ste 650, Norcross, GA 30092

  Directions(770) 729-8822

• The Vitamin Shoppe

  4.4 (229)

  Vitamin & supplements store

  2130 Pleasant Hill Rd Suite C, Duluth, GA 30096

  Directions(678) 957-0101

• Good Nutrition

  4.5 (243)

  Vitamin & supplements store

  2640 Beaver Ruin Rd #C, Norcross, GA 30071

  Directions(770) 409-8844

• GNC

  3.6 (36)

  Vitamin & supplements store

  3455 Peachtree Industrial Blvd #855, Duluth, GA 30096

  Directions(770) 813-0540

• Health Nut

  5.0 (35)

  Vitamin & supplements store

  3000 Old Alabama Rd #122, Alpharetta, GA 30022

  Directions(770) 663-4009

• Walgreens

  3.0 (204)

  Vitamin & supplements store

  5985 Peachtree Pkwy NW, Peachtree Corners, GA 30092

  Directions(678) 421-9599

• The Vitamin Shoppe

  4.6 (127)

  Vitamin & supplements store

  7300 North Point Pkwy #127, Alpharetta, GA 30022

  Directions(770) 410-7628

• The Vitamin Shoppe

  4.3 (146)

  Vitamin & supplements store

  1165 Perimeter Center W #360, Atlanta, GA 30338

  Directions(770) 396-7152

• 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), … variation (CVs) of the serum and urine calcium increments at …

  2001278 citations

• Safety and efficacy of tocotrienol supplementation for bone health in postmenopausal women: protocol for a dose–response double-blinded placebo-controlled …

  CL Shen, H Mo, S Yang, S Wang, CK Felton… - BMJ open, 2016 - bmjopen.bmj.com

  … mg/day) for this population. Thus, we will provide calcium (500 mg elemental Ca, as Oyster Shell)/vitamin D (… The intra-assay and interassay CVs are 2.2% and 3.0%, respectively. The …

  201619 citations

• Behind the Scenes of Calcium

  I Robles, C Sichel, T Yam, JM Fagan - 2011 - rucore.libraries.rutgers.edu

  … and it merely states that Oyster shell calcium comes from “… You can get calcium supplements that include vitamin D in … CVS pharmacy was most helpful because they informed us on …

  2011

• The effect of a citrus tastant on pill swallowing

  AB Albert - 2010 - search.proquest.com

  … Calcium tablets (CVS calcium oyster shell, 500mg; ingredients: cellulose [plant origin], cellulose coating, croscarmellose, titanium dioxide color, vegetable magnesium stearate, FD&C …

  2010

• Pharmaceutical performance testing of commercially available calcium supplements

  J Liu - 2005 - search.proquest.com

  … dolomite, oyster shell, bone meal, and coral calcium. … role of vitamin D and calcium-vitamin D deficiency, vitamin D … disintegration time, three products (CVS, OsCal and Caltrate) were …

  2005

• Nutritional and commercial quality of the striped venus clam, Chamelea gallina, from the Adriatic sea

  E Orban, G Di Lena, T Nevigato, I Casini, R Caproni… - Food Chemistry, 2007 - Elsevier

  Nutritional quality parameters (proximate and mineral composition, contents of glycogen, fatty acids, cholesterol, plant sterols, fat-soluble vitamins, carotenes) and ecophysiological and …

  2007155 citations

• Vitamin D: What the Label Numbers Mean

  How to read vitamin D amounts on a Supplement Facts panel, the IU-to-mcg conversion, and why %DV matters.

  VitaSuppTrack Editorial· Jun 24, 2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-09-25. DSLD Label ID: 25908. 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.