PlainVitamins

K-Mg Citrate

by XYMOGEN · capsule · 60 vegetarian capsules

  • Off the market since April 2025 (NIH)
  • UPC 8 71149 00333 3
  • DSLD label 303733
  • Serving 1 capsule
  • 60 servings

K-Mg Citrate by XYMOGEN lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 70 mg of magnesium and 99 mg of potassium. Its current label entered the NIH Dietary Supplement Label Database on December 14, 2023.

What is in K-Mg Citrate?

Each row as the label prints it, per serving of 1 capsule. 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).

K-Mg Citrate: Supplement Facts rows against the market (DSLD label 303733, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Citrate70 mg17%Magnesium in K-Mg Citrate against 14,003 products70 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg70 mg

54% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 140 mg.

Potassiumas Potassium Citrate99 mg2%Potassium in K-Mg Citrate against 11,614 products99 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg99 mg

49% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 198 mg.

Source: NIH ODS Dietary Supplement Label Database, label 303733 (entered December 14, 2023), 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 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
Directions: Take one capsule one to two times daily, or as directed by your healthcare practitioner.
Warnings
Consult your healthcare practitioner prior to use.
Individuals taking medication should discuss potential interactions with their healthcare practitioner.
Do not use if tamper seal is damaged.
Storage: Keep closed in a cool, dry place out of reach of children.
Allergens and what it does not contain
Does Not Contain: Wheat, gluten, corn, yeast, soy, animal or dairy products, fish, shellfish, peanuts, tree nuts, egg, ingredients derived from genetically modified organisms (GMOs), artificial colors, artificial sweeteners, or artificial preservatives.

Source: label statements in DSLD label 303733.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate, Medium Chain Triglyceride Oil, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegetarian Caps ePV (ePedigree Verification); Third-Party Verified GMP Compliant.

How many labels does K-Mg Citrate have?

6 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 303733 (current) Entered December 14, 2023 · off the market April 9, 2025 · 60 vegetarian capsules · UPC 8 71149 00333 3
  2. Label 240231 Entered December 26, 2020 · off the market September 8, 2023 · 60 vegetarian capsules · UPC 8 71149 00333 3
  3. Label 66144 Entered October 22, 2016 · off the market February 28, 2019 · 60 vegetarian capsules · UPC 8 71149 00333 3
  4. Label 49560 Entered August 25, 2015 · off the market October 5, 2016 · 60 vegetable capsules · UPC 8 71149 00333 3
  5. Label 28019 Entered December 24, 2013 · off the market April 28, 2014 · 60 vegetable capsules · UPC 8 71149 00333 3
  6. Label 6605 Entered March 23, 2012 · off the market July 3, 2013 · 60 Vegetarian Capsules

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

Who makes it?

The label names XYMOGEN Exclusive Professional Formulas (manufacturer), Orlando, FL. All XYMOGEN products.

Where next?