Natural Oyster Shell Calcium 500 mg + Vitamin D

by CVS Pharmacy · tablet or pill · 300 tablets

  • On the market (NIH)
  • UPC 0 50428 06545 7
  • DSLD label 25908
  • Serving 1 tablet

Natural Oyster Shell Calcium 500 mg + Vitamin D by CVS Pharmacy lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 125 IU (3.13 mcg) of vitamin D and 500 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2013.

What is in Natural Oyster Shell Calcium 500 mg + Vitamin D?

Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Natural Oyster Shell Calcium 500 mg + Vitamin D: Supplement Facts rows against the market (DSLD label 25908, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)125 IU (3.13 mcg)31%Vitamin D in Natural Oyster Shell Calcium 500 mg + Vitamin D against 14,175 products3.13 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg3.13 mcg

92% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 9.38 mcg.

Calciumas OysterCalcium (Form: from Oyster PlantPart: shell)500 mg50%Calcium in Natural Oyster Shell Calcium 500 mg + Vitamin D against 17,831 products500 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg500 mg

Higher than 85% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 1,500 mg.

Source: NIH ODS Dietary Supplement Label Database, label 25908 (entered September 25, 2013), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 92% of the 14,175 products that print an amount of vitamin D list more than its 3.13 mcg (125 IU) of vitamin D (median 15 mcg (600 IU)).

The NIH database records 2 to 3 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
DIRECTIONS: For adults, take one (1) tablet two or three times a day, preferably with a meal.
Warnings
As a reminder, discuss the supplements and medications you take with your health care providers.
KEEP OUT OF REACH OF CHILDREN.
TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.
WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Allergens and what it does not contain
No yeast, wheat, gluten, milk or milk derivatives, lactose, sugar, preservatives, artificial color, artificial flavor, salt.
Storage
STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Source: label statements in DSLD label 25908.

What else is on the label?

Other ingredients: Cellulose, Croscarmellose, Contains <2% of:.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): {check} CVS(R) Quality Money Back Guarantee.

How many labels does Natural Oyster Shell Calcium 500 mg + Vitamin D have?

One label is on file, entered on September 25, 2013.

  1. Label 25908 (current) Entered September 25, 2013 · on the market · 300 tablets · UPC 0 50428 06545 7

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names CVS Pharmacy, Inc. (distributor), Woonsocket, RI. All CVS Pharmacy products.

Where next?