Oyster Shell Calcium 500 mg with Dnone

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.

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.

Serving Size: 1 Tablet(s) · 2 per day

Not Present

• 

  Geri-Care Calcium with Vitamin D Supplement

  Tri-State Surgical Supply and Equipment4.4(9)

  $3.94
• 

  Major Oyster Shell Calcium Tablets

  Medicaleshop4.5(31)

  $5.60
• 

  Nature's Blend Oyster Shell Calcium with D3 Tablets

  Target4.6(27)

  $13.24
• 

  Major Oyster Shell Calcium 500 mg Tablets

  Honest Medical5.0(11)

  $6.68
• 

  Nature's Blend Oyster Shell Calcium Tablets

  Swanson Health Products4.8(17)

  $6.29
• 

  Rugby Oyster Shell Calcium 500mg Tablets Supports Strong Bones & Teeth Health 60 Count

  Target

  $9.67
• 

  Plus Pharma Oyster Shell Calcium

  AmericanPharmaWholesale.com

  $3.83
• 

  Geri-Care Oyster Shell Calcium and D Joint Health Supplement

  Walmart - Simply Medical4.0(1)

  $19.40

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• GreenVits

  4.2 (5)

  Vitamin & Supplements Shop

  53A London Rd, Stanmore HA7 4PA

  Directions020 8175 8888

• British Supplements

  3.4 (274)

  Vitamin & Supplements Shop

  34, New House, 67-68 Hatton Garden, London EC1N 8JY

  Directions07768 405406

• Charge Products

  3.0 (2)

  Vitamin & Supplements Shop

  Office 1, Charge Products, Industrial Estate, Unit 1, 8 Towerfield Rd, Towerfield Cl, Southend-on-Sea SS3 9QE

  Directions07968 951185

• Hashmats Health

  4.7 (114)

  Pharmaceutical company

  123a, 125a The Broadway, Southall UB1 1LW

  Directions020 8574 7515

• Supplemented

  4.7 (192)

  Vitamin & Supplements Shop

  Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH

  Directions

• London Supplements

  3.7 (84)

  Vitamin & Supplements Shop

  13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR

  Directions020 8863 0300

• Optimal Health

  4.3 (12)

  Vitamin & Supplements Shop

  4 Hill Top, Redbourn, St Albans AL3 7JG

  Directions01442 506369

• Specialist Supplements Ltd (Trade Division)

  4.9 (237)

  Vitamin & Supplements Shop

  Enterprise Park, Unit 4 East Street, Rhayader LD6 5ER

  Directions01597 810547

• The Effects of Dietary Calcium Sources and Vitamin D3 on Egg Quality and Performance in Laying Hens

  A Safamehr, S Hedatyati, MH Shahir - Iranian Journal of Applied …, 2013 - academia.edu

  … When compared with other groups, egg-shell calcium … between calcium source and vitamin D3 and the main effects of … supplying calcium sources in laying diets with 50-70% oyster shell …

  2013

• Supplementation with bio-calcium from shells Pinctada maxima in postmenopausal women with decreased mineral bone density: Pilot study

  N Vujasinović-Stupar, S Novković… - Srpski arhiv za celokupno …, 2009 - srpskiarhiv.rs

  … Calcium and vitamin D supplementations are … pearl shells has made pearls available for commercial use for a very reasonable price. The main chemical compound of pearls from shells …

  200911 citations

• A Practical Analysis of Calcium Supplements

  DI Levenson, K Al Ohayon - Alternative Therapies in Women's Health …, 2000 - clinician.com

  … Calcium may also play a protective role in essential hypertension, … "Oyster shell" calcium carbonate is actually mined from fossilized limestone quarries. Although fresh oyster shells do …

  20002 citations

• Fish and bone as a calcium source

  SK Kim, WK Jung - Maximising the value of marine by-products, 2007 - Elsevier

  … , calcium originates from dolomite, bone meal, and oyster shell, … Calcium is known to be an essential element required for … normal levels of Ca and vitamin D, significantly decreased Ca …

  200723 citations

• Calcium supplementation in osteoporosis

  T Fujita, Y Fujii, R Kitagawa, M Fukase - Osteoporosis International, 1993 - Springer

  … employing oyster shell electrolysate as the calcium source in … Calcium and vitamin D intake are lower in women than in men, … on the same basic diet containing 1% calcium carbonate. …

  199320 citations

• Analysis of lead in 55 brands of dietary calcium supplements by graphite furnace atomic absorption spectrometry after microwave digestion

  M Kim, C Kim, I Song - Food Additives & Contaminants, 2003 - Taylor & Francis

  … supplements and make a basic reference for establishing Pb standards in Ca supplements. … The Ca supplement made of oyster shell in our study had a mean of 0.4 mggÀ1, which was …

  200329 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 2019-06-24. DSLD Label ID: 204108. 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.