PlainVitamins

Oyster Shell Calcium 500 mg

by Pharbest · tablet or pill · 1000 tablets

  • On the market (NIH)
  • UPC 3 73057 36111 1
  • DSLD label 264193
  • Serving 1 tablet
  • 1000 servings

Oyster Shell Calcium 500 mg by Pharbest lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 5 mcg (200 IU) of vitamin D and 500 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on December 18, 2021.

What is in Oyster Shell Calcium 500 mg?

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: Supplement Facts rows against the market (DSLD label 264193, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das Cholecalciferol200 IU5 mcg (200 IU)25%Vitamin D in Oyster Shell Calcium 500 mg 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: 15 mcg.

Calciumas Oyster500 mg38%Calcium in Oyster Shell Calcium 500 mg 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 264193 (entered December 18, 2021), 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 1 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 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.

Warnings
This package for household without young children
Tamper evident: Do not use if safety seal under cap is broken or missing
Contains shellfish
Warnings: If pregnant or breast-feeding, ask a health professional before use.
Package not child resistant. Keep out of the reach of children.
Storage
Store at room temperature. Keep tightly closed in a cool dry place.

Source: label statements in DSLD label 264193.

What else is on the label?

Other ingredients: Croscarmellose Sodium, FD&C Blue #1, FD&C Yellow #5, Hypromellose, Maltodextrin, Magnesium Stearate, Microcrystalline Cellulose, Polyethylene Glycol, Polyvinyl Alcohol, Talc, Titanium Dioxide.

How many labels does Oyster Shell Calcium 500 mg have?

2 labels are on file under this name since December 18, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 264193 (current) Entered December 18, 2021 · on the market · 1000 tablets · UPC 3 73057 36111 1
  2. Label 264192 Entered December 18, 2021 · on the market · 1000 tablets · UPC 3 73057 36011 4

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

Who makes it?

The label names Ulai Health LLC. (distributor), Alexandria, VA. All Pharbest products.

Where next?