Oyster Shell Calcium 500 mg + D

by Major Pharmaceuticals · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 3 09045 46061 0
  • DSLD label 201612
  • Serving 1 tablet

Oyster Shell Calcium 500 mg + D by Major Pharmaceuticals lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 5 mcg (200 IU) of vitamin D3 and 500 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on April 25, 2019.

What is in Oyster Shell Calcium 500 mg + 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 500 mg + D: Supplement Facts rows against the market (DSLD label 201612, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as CholecalciferolVitamin D3 (Alt. Name: Cholecalciferol) Note: 200 IU5 mcg (200 IU)25%Vitamin D in Oyster Shell Calcium 500 mg + D against 14,175 products5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg5 mcg

83% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 10 mcg.

Calciumas OysterCalcium (Form: from Oyster PlantPart: shell)500 mg38%Calcium in Oyster Shell Calcium 500 mg + 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 201612 (entered April 25, 2019), 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?

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: For adults, take one (1) tablet twice daily, preferably with a meal, or as directed by a physician.
Warnings
Contains FD&C Yellow #5 (tartrazine) as a color additive.
As with any supplement, if you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before use.
Keep Out of Reach of Children.
Tamper Evident: Do not use if sealed blister units are broken or damaged.
Storage
Other Information: Store at room temperature in a dry place.

Source: label statements in DSLD label 201612.

What else is on the label?

Other ingredients: Maltodextrin, Microcrystalline Cellulose, Croscarmellose Sodium, Hypromellose, Starch, Magnesium Stearate, Titanium Dioxide, Stearic Acid, FD&C Yellow #5 Lake, FD&C Blue #1, Butylated Hydroxyloluene, Butylated Hydroxyanisole, Coconut Oil, Triacetin, Propylene Glycol, Polyethylene Glycol.

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

One label is on file, entered on April 25, 2019.

  1. Label 201612 (current) Entered April 25, 2019 · on the market · 100 tablets · UPC 3 09045 46061 0

DSLD also links this label to: Oyster Shell Calcium with Vitamin D 500 mg + D (package size difference, same product), Oyster Shell Calcium 500 mg with Vitamin D (package size difference, same product), Oyster Shell Calcium 500 mg with Vitamin D (package size difference, same product), Oyster Shell Calcium 500 mg with Vitamin D (package size difference, same product), Oyster Shell Calcium 500 mg with Vitamin D (package size difference, same product), Oyster Shell Calcium with Vitamin D 500 mg + D (package size difference, same product), Oyster Shell Calcium with Vitamin D 500 mg + D (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 Major Pharmaceuticals (distributor), Livonia, MI. All Major Pharmaceuticals products.

Where next?