PlainVitamins

Calcium Carbonate 600 mg

by Nature's Blend · tablet or pill · 200 tablets

  • On the market (NIH)
  • UPC 0 79854 00732 9
  • DSLD label 274652
  • Serving 1 tablet
  • 200 servings

Calcium Carbonate 600 mg by Nature's Blend lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 10 mcg (400 IU) of vitamin D3 and 600 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Calcium Carbonate 600 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).

Calcium Carbonate 600 mg: Supplement Facts rows against the market (DSLD label 274652, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Cholecalciferol10 mcg (400 IU)50%Vitamin D in Calcium Carbonate 600 mg 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 Calcium Carbonate600 mg46%Calcium in Calcium Carbonate 600 mg against 17,831 products600 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg600 mg

Higher than 91% of 17,831 products listing calcium (median 115 mg).

Source: NIH ODS Dietary Supplement Label Database, label 274652 (entered November 22, 2022), 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?

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 600 mg of calcium is higher than 91% of the 17,831 calcium products that print an amount; 1,267 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: As a dietary supplement, take one tablet daily, preferably after a meal or as directed by your healthcare professional.
Warnings
Keep out of the reach of children.
Double safety sealed for your protection. Do not use if either seal is broken or missing.
Allergens and what it does not contain
Gluten free, no preservatives, artificial flavors, wheat, or yeast added.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 274652.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Crospovidone, Magnesium Stearate, Triacetin, Polydextrose, Titanium Dioxide, Silica, Yellow #6 Lake.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Lab Tested Potency Assay Guaranteed Release.

How many labels does Calcium Carbonate 600 mg have?

2 labels are on file under this name since August 23, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 274652 (current) Entered November 22, 2022 · on the market · 200 tablets · UPC 0 79854 00732 9
  2. Label 274589 Entered August 23, 2022 · on the market · 100 tablets · UPC 0 79854 01681 9

DSLD also links this label to: Calcium Carbonate 600 mg With 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 National Vitamin Company (manufacturer), Casa Grande, AZ. All Nature's Blend products.

Where next?