PlainVitamins

Natural Oyster Shell Calcium 1000 mg With Vitamin D3

by Sundown Naturals · tablet or pill · 250 tablets

  • On the market (NIH)
  • UPC 0 30768 02498 7
  • DSLD label 30271
  • Serving 2 tablets
  • 125 servings

Natural Oyster Shell Calcium 1000 mg With Vitamin D3 by Sundown Naturals lists 2 ingredients, 2 with an amount per serving of 2 tablets, such as 400 IU (10 mcg) of vitamin D and 1,000 mg of calcium, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 26, 2014.

What is in Natural Oyster Shell Calcium 1000 mg With Vitamin D3?

Each row as the label prints it, per serving of 2 tablets. 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 1000 mg With Vitamin D3: Supplement Facts rows against the market (DSLD label 30271, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das Cholecalciferol, Vitamin D3Vitamin D (Form: as D3 (Alt. Name: Cholecalciferol))400 IU (10 mcg)100%Vitamin D in Natural Oyster Shell Calcium 1000 mg With Vitamin D3 against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Calciumas OysterCalcium (Form: from Oyster Shell) Note: 1 g1,000 mg100%Calcium in Natural Oyster Shell Calcium 1000 mg With Vitamin D3 against 17,831 products1,000 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg1,000 mg

Higher than 95% of 17,831 products listing calcium (median 115 mg).

Sodium10 mg1%Sodium in Natural Oyster Shell Calcium 1000 mg With Vitamin D3 against 14,514 products10 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.10 mg

78% of 14,514 products listing sodium give more (median 55 mg).

Source: NIH ODS Dietary Supplement Label Database, label 30271 (entered February 26, 2014), 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:

  • Its 1,000 mg of calcium is higher than 95% of the 17,831 calcium products that print an amount; 314 list more.

The NIH database records one serving 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 TWO (2) TABLETS DAILY, PREFERABLY WITH A MEAL.
Warnings
KEEP OUT OF REACH OF CHILDREN.
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.
TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.
Allergens and what it does not contain
No Artificial Flavor or Sweetener, No Preservatives, No Sugar, No Milk, No Lactose, No Gluten, No Wheat, No Yeast.
Storage
STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Source: label statements in DSLD label 30271.

What else is on the label?

Other ingredients: Vegetable Cellulose, Contains Less Than 2% of.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): {Bottle} PLEASE RECYCLE; GUARANTEED LABORATORY TESTED QUALITY.

How many labels does Natural Oyster Shell Calcium 1000 mg With Vitamin D3 have?

One label is on file, entered on February 26, 2014.

  1. Label 30271 (current) Entered February 26, 2014 · on the market · 250 tablets · UPC 0 30768 02498 7

DSLD also links this label to: Calcium 1000 mg with Vitamin D3 (package size difference, same product), Calcium 1000 mg With Vitamin D3 (image difference, same product), Calcium 1000 mg With Vitamin D3 (package size difference, same product).

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

Who makes it?

The label names Rexall Sundown, Inc. (manufacturer), Boca Raton, FL. All Sundown Naturals products.

Where next?