PlainVitamins

Oyster Shell Calcium w/D

by DC · tablet or pill · 60 tablets

  • On the market (NIH)
  • DSLD label 309915
  • Serving 1 tablet
  • 60 servings

Oyster Shell Calcium w/D by DC lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 10 mcg (400 IU) of vitamin D3 and 500 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on April 23, 2024.

What is in Oyster Shell Calcium w/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).

Oyster Shell Calcium w/D: Supplement Facts rows against the market (DSLD label 309915, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Cholecalciferol400 IU10 mcg (400 IU)50%Vitamin D in Oyster Shell Calcium w/D 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). Per day at the most servings: 20 mcg.

Calciumas Oyster Shell Calcium500 mg39%Calcium in Oyster Shell Calcium w/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: 1,000 mg.

Source: NIH ODS Dietary Supplement Label Database, label 309915 (entered April 23, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 2 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: As a dietary supplement, take 1 tablet twice daily.
Warnings
Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
Caution: Do not take this product if you are allergic to shell fish or if you are pregnant or nursing.
Allergens and what it does not contain
Gluten free
Storage
Keep tightly closed. Store at room temperature: 59 degrees-86 degrees F (15 degrees to 30 degrees C).

Source: label statements in DSLD label 309915.

What else is on the label?

Other ingredients: Cellulose, Stearic Acid, Silica, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): QualiPure.

How many labels does Oyster Shell Calcium w/D have?

4 labels are on file under this name since February 25, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 309915 (current) Entered April 23, 2024 · on the market · 60 tablets
  2. Label 267082 Entered June 16, 2022 · on the market · 60 tablets
  3. Label 267081 Entered June 16, 2022 · on the market · 60 tablets
  4. Label 244654 Entered February 25, 2021 · off the market September 12, 2022 · 60 tablets

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

Who makes it?

The label names Dee Cee Laboratories, Inc. (manufacturer), White House, TN. All DC products.

Where next?