PlainVitamins

Cal-Mag Citrate

by Thorne · powder · 7.5 ounces

  • Off the market since November 2022 (NIH)
  • UPC 6 93749 22202 6
  • DSLD label 251226
  • Serving 5.35 g (One Scoop)
  • 40 servings

Cal-Mag Citrate by Thorne lists 3 ingredients, 3 with an amount per serving of 5.35 g, such as 500 mg of vitamin C, 500 mg of calcium and 200 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on June 23, 2021.

What is in Cal-Mag Citrate?

Each row as the label prints it, per serving of 5.35 g. 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 Citrate: Supplement Facts rows against the market (DSLD label 251226, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid500 mg556%Vitamin C in Cal-Mag Citrate against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg).

Calciumas Calcium Ascorbate, Calcium Gluconate500 mg38%Calcium in Cal-Mag Citrate 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).

Magnesiumas Ascorbic Acid, Citric Acid, Magnesium AscorbateMagnesium (Form: as Magnesium Citrate, Magnesium Ascorbate, reacted from Magnesium Oxide, and Citric Acid, Ascorbic Acid)200 mg48%Magnesium in Cal-Mag Citrate against 14,003 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg200 mg

Higher than 75% of 14,003 products listing magnesium (median 86 mg).

Source: NIH ODS Dietary Supplement Label Database, label 251226 (entered June 23, 2021), 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 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
Suggested Use: Mix 1 scoop with at least 8 ounces of water daily or as recommended by your health-care practitioner.
Warnings
Tamper Evident: Use only if bottle is sealed.
If pregnant, consult your health-care practitioner before using this product.
Allergens and what it does not contain
Gluten free
Storage
Store tightly sealed in a cool, dry place.

Source: label statements in DSLD label 251226.

What else is on the label?

Other ingredients: Glycine.

How many labels does Cal-Mag Citrate have?

4 labels are on file under this name since January 7, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 251226 (current) Entered June 23, 2021 · off the market November 30, 2022 · 7.5 ounces · UPC 6 93749 22202 6
  2. Label 232854 Entered August 23, 2020 · off the market April 22, 2021 · 7.5 oz. · UPC 6 93749 22202 6
  3. Label 217378 Entered April 23, 2020 · off the market May 29, 2020 · 7.5 oz. · UPC 6 93749 22202 6
  4. Label 181832 Entered January 7, 2019 · off the market February 26, 2020 · 7.5 oz. · UPC 6 93749 22202 6

DSLD also links this label to: Cal-Mag Citrate (Effervescent Powder) (image difference, same product), Cal-Mag Citrate (Effervescent Powder) (image difference, same product), Cal-Mag Citrate (Effervescent Powder) (image difference, same product), Cal-Mag Citrate (Effervescent Powder) (image difference, same product), Cal Mag Citrate + Vitamin C (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 Thorne Research, Inc. (manufacturer). All Thorne products.

Where next?