Oyster Shell Calcium 500 mg + D®

Single Vitamin & Mineral

Brand: Reliable 1 Laboratories

Other (e.g. tea bag)Single Vitamin and MineralOn Market

Functions

Bone & Joint

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

Net Contents

1000 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 03810 3

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.

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.

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

MaltodextrinMicrocrystalline CelluloseCroscarmellose SodiumHypromelloseStarchMagnesium StearateTitanium DioxideStearic AcidFD&C Yellow #5FD&C Blue #1Butylated HydroxytolueneButylated HydroxyanisoleCoconut OilTriacetinPropylene GlycolPolyethylene Glycol

Target Groups

Adult (18 - 50 Years)Dairy Free

Label Claims

NutrientAll OtherApproved Health

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

Storage

Store in a dry place at room temperature

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

$2.99 – $154.99· 40 listings

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Rugby Oyster Shell Calcium 500mg Tablets Supports Strong Bones & Teeth Health 60 Count
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Reliable 1 Calcium Carbonate 500 mg Antacid Chewable Tablets, Assorted Flavors, 150 Ea, 6 Pack, Size: 6 Bottles 900 Tablets
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$29.90

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

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The Vitamin Shoppe
4.3 (95)
Vitamin & supplements store
10402 Sepulveda Blvd, Mission Hills, CA 91345
Directions (818) 361-1768
GNC
4.9 (279)
Vitamin & supplements store
5160 Vineland Ave Ste 108, North Hollywood, CA 91601
Directions (818) 766-7462
The Vitamin Shoppe
4.5 (141)
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9100 Tampa Ave, Northridge, CA 91324
Directions (818) 718-6514
GNC
4.2 (34)
Vitamin & supplements store
7954 Van Nuys Blvd, Van Nuys, CA 91402
Directions (818) 988-0512
The Vitamin Shoppe
4.6 (125)
Vitamin & supplements store
12741 Ventura Blvd, Studio City, CA 91604
Directions (818) 761-1826
GNC
4.2 (35)
Vitamin & supplements store
16860 San Fernando Mission Blvd, Granada Hills, CA 91344
Directions (818) 363-0786
GNC
4.4 (23)
Vitamin & supplements store
17234 Saticoy St, Van Nuys, CA 91406
Directions (818) 708-7543
The Vitamin Shoppe
4.5 (109)
Vitamin & supplements store
21436 Victory Blvd, Woodland Hills, CA 91367
Directions (818) 883-2342

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 citations
Lead 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 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
… , 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 citations
Lead 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 citations
Calcium 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 citations
Bioavailability 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 2018-08-31. DSLD Label ID: 180323. 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.