PlainVitamins

Calcium Citrate

by Windmill · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 0 35046 00155 1
  • DSLD label 333510
  • Serving 2 tablets
  • 50 servings

Calcium Citrate by Windmill lists one ingredient: 400 mg of calcium per serving of 2 tablets. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2025.

What is in Calcium Citrate?

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).

Calcium Citrate: Supplement Facts rows against the market (DSLD label 333510, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Calcium Citrate400 mg31%Calcium in Calcium Citrate against 17,831 products400 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg400 mg

Higher than 82% of 17,831 products listing calcium (median 115 mg).

Source: NIH ODS Dietary Supplement Label Database, label 333510 (entered June 25, 2025), 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 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: Take 2 tablets daily as a dietary supplement or as directed by a healthcare professional.
Warnings
Keep out of reach of children.
Do not purchase if seal is broken.
Allergens and what it does not contain
No sugar, wheat, soy, milk, artificial colors, flavors or preservatives Non GMO - Gluten free - vegan
Storage
Protect from heat, light & moisture. Store in a cool, dry place.

Source: label statements in DSLD label 333510.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Stearic Acid, Microcrystalline Cellulose, Magnesium Stearate, Croscarmellose Sodium, Water, Hypromellose, Glycerin, Talc, Carnauba Wax.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in the U.S.A. from globally sourced ingredients.

How many labels does Calcium Citrate have?

7 labels are on file under this name since March 23, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 333510 (current) Entered June 25, 2025 · on the market · 100 tablets · UPC 0 35046 00155 1
  2. Label 231394 Entered July 23, 2020 · off the market September 1, 2021 · 100 tablets · UPC 0 35046 00155 1
  3. Label 215231 Entered February 26, 2020 · off the market July 1, 2020 · 100 tablets · UPC 0 35046 00155 1
  4. Label 181071 Entered September 21, 2018 · off the market September 1, 2021 · 100 tablets · UPC 0 35046 00155 1
  5. Label 71494 Entered March 24, 2017 · off the market February 27, 2018 · 100 tablets · UPC 0 35046 00155 1
  6. Label 46834 Entered June 25, 2015 · off the market February 27, 2018 · 100 tablets · UPC 0 35046 00155 1
  7. Label 7122 Entered March 23, 2012 · off the market February 27, 2018 · 100 tablets · UPC 0 35046 00155 1

DSLD also links this label to: Calcium Citrate (image difference, same product), Chewable Vitamin B6 with Magnesium Natural Tropical Fruit Punch Flavor (image 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 Windmill Health Products (distributor), West Caldwell, NJ. All Windmill products.

Where next?