PlainVitamins

Cal-Mag DK

by NOW · capsule · 180 capsules

  • On the market (NIH)
  • UPC 7 33739 01267 8
  • DSLD label 313659
  • Serving 2 capsules
  • 90 servings

Cal-Mag DK by NOW lists 7 ingredients, 7 with an amount per serving of 2 capsules, such as 8.3 mcg (332 IU) of vitamin D, 30 mcg of vitamin K2, 266 mg of calcium and 133 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on June 20, 2024.

What is in Cal-Mag DK?

Each row as the label prints it, per serving of 2 capsules. 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).

Cal-Mag DK: Supplement Facts rows against the market (DSLD label 313659, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das Vitamin D3333 IU8.3 mcg (332 IU)42%Vitamin D in Cal-Mag DK against 14,175 products8.3 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg8.3 mcg

80% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 16.6 mcg.

Vitamin K230 mcg25%Vitamin K in Cal-Mag DK against 4,607 products60 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg60 mcg

55% of 4,607 products listing vitamin K give more (median 80 mcg). Per day at the most servings: 120 mcg.

Calcium266 mg20%Calcium in Cal-Mag DK against 17,831 products266 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg266 mg

Higher than 76% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 532 mg.

Calcium CitrateCalcium (Form: from Calcium Citrate)1,270 mg
Magnesiumelemental133 mg32%Magnesium in Cal-Mag DK against 14,003 products133 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg133 mg

Higher than 68% of 14,003 products listing magnesium (median 86 mg). Per day at the most servings: 266 mg.

Magnesium Oxide230 mg
Vitamin K2as Menaquinone30 mcg

Source: NIH ODS Dietary Supplement Label Database, label 313659 (entered June 20, 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
Suggested usage: Take 2 capsules twice daily with food.
Warnings
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or sesame ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 313659.

What else is on the label?

Other ingredients: Bovine Gelatin, Stearic Acid, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Triangle K (Kosher) Contains Gelatin; Crescent H (Halal) GMP Quality Assured.

How many labels does Cal-Mag DK have?

4 labels are on file under this name since October 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 313659 (current) Entered June 20, 2024 · on the market · 180 capsules · UPC 7 33739 01267 8
  2. Label 70545 Entered February 24, 2017 · off the market February 12, 2024 · 180 capsules · UPC 7 33739 01267 8
  3. Label 51599 Entered October 22, 2015 · off the market November 30, 2016 · 180 capsules · UPC 7 33739 01267 8
  4. Label 14706 Entered October 25, 2012 · off the market September 30, 2015 · 180 capsules · UPC 7 33739 01267 8

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

Who makes it?

The label names NOW FOODS (distributor), Bloomingdale, IL. All NOW products.

Where next?