Krebs Magnesium-Potassium Chelates

by Enzymatic Therapy · tablet or pill · 60 tablets

  • Off the market since November 2015 (NIH)
  • UPC 7 63948 07766 3
  • DSLD label 39584
  • Serving 1 tablet

Krebs Magnesium-Potassium Chelates by Enzymatic Therapy lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 250 mg of magnesium and 100 mg of potassium. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2014.

What is in Krebs Magnesium-Potassium Chelates?

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).

Krebs Magnesium-Potassium Chelates: Supplement Facts rows against the market (DSLD label 39584, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas {Magnesium} Fumarate, Alpha Ketoglutarate, Magnesium CitrateMagnesium (Form: with {Magnesium} Citrate, {Magnesium} Fumarate, {Magnesium} Malate, {Magnesium} Succinate, and Alpha Ketoglutarate) Note: as chelated (Krebs)250 mg63%Magnesium in Krebs Magnesium-Potassium Chelates against 14,003 products250 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg250 mg

Higher than 83% of 14,003 products listing magnesium (median 86 mg).

Potassiumas Alpha Ketoglutarate, Potassium Citrate, Potassium FumaratePotassium (Form: with {Potassium} Citrate, {Potassium} Fumarate, {Potassium} Malate, {Potassium} Succinate, and Alpha Ketoglutarate) Note: as chelated (Krebs)100 mg3%Potassium in Krebs Magnesium-Potassium Chelates against 11,614 products100 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg100 mg

Higher than 51% of 11,614 products listing potassium (median 99 mg).

Source: NIH ODS Dietary Supplement Label Database, label 39584 (entered November 25, 2014), 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
Recommendations: One tablet daily.
Warnings
If pregnant, nursing, or taking prescription drugs, consult your healthcare practitioner prior to use.
Allergens and what it does not contain
Contains no sugar, salt, yeast, wheat, gluten, corn, soy, dairy products, artificial coloring, artificial flavoring, preservatives, or ingredients of animal origin.

Source: label statements in DSLD label 39584.

What else is on the label?

Other ingredients: Cellulose, Stearic Acid, modified Cellulose Gum, Modified Cellulose, Polydextrose, Titanium Dioxide color, Magnesium Stearate, Silicon Dioxide, Glycerin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): VEGETARIAN; LABORATORY TESTED PURITY, SAFETY & PERFORMANCE; DIETARY SUPPLEMENT; Enzymatic Therapy What Better Feels Like(R).

How many labels does Krebs Magnesium-Potassium Chelates have?

2 labels are on file under this name since September 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 39584 (current) Entered November 25, 2014 · off the market November 9, 2015 · 60 tablets · UPC 7 63948 07766 3
  2. Label 25267 Entered September 25, 2013 · off the market January 1, 2012 · 60 tablets · UPC 7 63948 07766 3

DSLD also links this label to: Krebs Magnesium Potassium (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 Enzymatic Therapy, LLC (distributor), Green Bay, WI. All Enzymatic Therapy products.

Where next?