Oyster Shell Calcium 500 mg + D®
Single Vitamin & MineralBrand: Reliable 1 Laboratories
Functions
Net Contents
60 Caplet(s)
Serving Size
1 Caplet(s)
Servings Per Container
Not specified
Supplement Form
Other (e.g. tea bag)
Bar Code (UPC/SKU)
3 69618 03806 6
Product Version
Rev. 0615
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.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Caplet(s) · 2 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin D3(Cholecalciferol) | 200 IU | 50% |
| Calcium(Oyster) | 500 mg | 50% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Adults: take one caplet twice daily preferably with a meal, as a dietary supplement or as directed by a doctor.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
As with any supplement, if you are pregnant, nursing, or taking medication, consult your doctor before use.
Precautions re: Children
Keep out of reach of children
Precautions re: All Other
Do not use if imprinted safety seal under cap is broken or missing
Formulation
Formula re: Contains
Adequate calcium and vitamin D throughout life, as a part of a well balanced diet, may reduce the risk of osteoporosis.
Formulation re: Does NOT Contain
Free of: milk, eggs, fish, peanuts, wheat, soy, yeast, preservatives, artificial flavors.
Formula re: Contains
Oyster Shell Calcium 500 mg + D
FDA Statements
FDA Statement of Identity
Dietary Supplement
Other Label Statements
General: Product/Version Code
Rev. 0615
Brand IP Statement(s) re: (c), (TM), (SM)
Compare to Calcium and Vitamin D in Os-Cal Calcium + D3
Brand IP Statement(s) re: (c), (TM), (SM)
Reliable 1 Laboratories LLC is not affiliated with the owner of the registered trademark Os-Cal.
Manufacturer & Distributor
Distributor
Reliable 1 Laboratories LLC
Valley Stream, NY, 11580
516-341-0666
Market Reference
Reliable 1 Calcium Carbonate Antacid Supplement Chewable Tablets
Thrifty White Health Essentials4.8(13)$3.07LowestGeri-Care Calcium with Vitamin D Supplement
Tri-State Surgical Supply and Equipment4.4(9)$3.94Major Oyster Shell Calcium Tablets
Medicaleshop4.5(31)$5.60Rugby Oyster Shell Calcium 500mg Tablets Supports Strong Bones & Teeth Health 60 Count
Target$9.67Nature's Blend Oyster Shell Calcium with D3 Tablets
Walmart - DirectRx4.6(27)$15.99Calcium 500 + D Oyster Shell Calcium with D 200 Tablets
Wonder Laboratories5.0(5)$9.98Oyster Shell Calcium W/d
EarthTurns.com$11.05GeriCare Oyster Shell Calcium Tablets
LL Medico$8.54
Where to Buy Locally
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Supplemented
4.7 (192)Vitamin & Supplements Shop
Online Retail Ltd Box 1031A, Surbiton, Kingston upon Thames KT1 9AH
London Supplements
3.7 (84)Vitamin & Supplements Shop
13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR
Hashmats Health
4.7 (114)Pharmaceutical company
123a, 125a The Broadway, Southall UB1 1LW
Specialist Supplements Ltd (Trade Division)
4.9 (237)Vitamin & Supplements Shop
Enterprise Park, Unit 4 East Street, Rhayader LD6 5ER
Dietapplements Limited
4.8 (6)Vitamin & Supplements Shop
27 Old Gloucester St, London WC1N 3AX
British Supplements
3.4 (274)Vitamin & Supplements Shop
34, New House, 67-68 Hatton Garden, London EC1N 8JY
GreenVits
4.2 (5)Vitamin & Supplements Shop
53A London Rd, Stanmore HA7 4PA
Healthshop UK
4.9 (41)Health food shop
306 Grove Green Rd, London E11 4EA
Research & Studies
Calcium supplements: practical considerations
RP Heaney - Osteoporosis International, 1991 - Springer
… supplements are based on natural products (eg, oyster shell, … good with a 4 x/day regimen than with only one dose per day, … labeled in the laboratory by adding the calcium tracer to the …
199168 citationsLead content of calcium supplements
EA Ross, NJ Szabo, IR Tebbett - Jama, 2000 - jamanetwork.com
… refined calcium carbonate, a category often perceived to be safe. … (ie, oyster shell) derivatives when used in the calcium dose … Although there is considerable laboratory evidence of the …
2000107 citationsIncrease 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
… , Oyster shell electrolysate (OSE) was reported to raise serum calcium and increase urinary calcium excretion in vitamin D-… Dietary calcium intake and bone loss from the spine in healthy …
199067 citationsLead content of dietary calcium supplements available in Brazil
JCP Mattos, M Hahn, PR Augusti… - Food additives and …, 2006 - Taylor & Francis
… in pharmacy following a medical prescription), according to the … With the use of 100 µg of citric acid as a chemical modifier, good … In the present study, oyster shell supplements showed …
200617 citationsCalcium carbonate supplementation for the prevention of preeclampsia in high-risk pregnant women: a randomized clinical trial protocol
CRV Oliveira, CL Resende, SJF Neves, AR Mesquita… - Trials, 2024 - Springer
… laboratory results or vital signs), will be referred to the … Crassostrea oyster shells will be sourced from the coast of … for this study to enhance result reliability and minimize bias, including …
20242 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
… that calcium is utilized to the same extent from calcium … To this end, the vitamin D—deficient rat is believed to be a good … D deficiency or sufficiency if suitable amOunts of vitamin D are …
199553 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-09-21. DSLD Label ID: 180320. 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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