How Potassium and Magnesium Healed My Atrial Fibrillation

A Personal Report by Dwight Kalita, PhD

Atrial fibrillation (A-fib) is a worldwide epidemic affecting 37 million people, and its rising prevalence will most certainly account for increasing public health costs. I am 76 years old and have had A-fib for almost 10 years. During that time various cardiologists gave me 2 ablations and 5 cardioversions, but the A-fib always returned. I have been on numerous drugs, all of which caused serious side effects and none of which ever cured my A-fib.

From 11/3/2022 to 11/10/22, my heart monitor recorded a 6% burden of A-fib episodes with a 150 bpm maximum rate. These on-and-off episodes continued despite taking Dofetilide (antiarrhythmic) and Diltiazem (calcium channel blocker for blood pressure) since April 22, 2022.

In April, 2023 I read a European medical article “Association of IV Potassium and Magnesium Administration with Spontaneous Conversion of A-Fib in the ER Department” in JAMA Oct. 2022. After thinking about this article, I decided to see if the combined, oral administration of magnesium (Mg), potassium (K), and Dofetilide would help prevent my chronic A-fib episodes that I have experienced for almost 10 years.

I began taking the following around April 15, 2023: electrolyte powder: one scoop per day of 1000 mgs potassium citrate, 120 mgs magnesium citrate, plus very small amounts of other mineral complexes. I have been taking 500 mgs of magnesium taurate orally for 5-6 years but continued to experience on and off A-fib episodes.

When I had an episode that lasted more than 20 minutes, I took 2 grams of magnesium intravenously and that always converted me back to sinus rhythm. Then I read the above JAMA article about IV magnesium and potassium together converting ER A-fib patients in Europe so I began taking both nutrients orally. That oral combo nutrient program of magnesium and potassium is what really eliminated my A-fib!

Within one week of taking the abovementioend mineral supplements with Dofetilide, my heart palpitations and A-fib episodes disappeared. My two EKG “sinus” reports since beginning K and Mg supplements confirm this observation as well as home-Kardia monitoring. I have also not needed to take any 2-gram magnesium IV treatments to convert my A-fib episodes since I have not had any episodes for the last 6 months.

I eliminated Diltiazem because of stomach pain and diarrhea side effects; but my blood pressure has actually improved since the introduction of the K1000 potassium supplement.

My quarterly blood work measuring Mg/K remains within normal levels since beginning the mineral supplementation program. My local cardiologist as well as one at the Cleveland Clinic both approve of my new drug/nutrient treatment plan. And best of all since beginning this treatment plan, I have had no side effects and no more A-fib episodes whatsoever.

It is now very clear to me that my 76-year-old heart cells need extra magnesium/potassium supplementation in order to live a life free of the very debilitating disease called atrial fibrillation.

(Readers may contact Dwight Kalita at

Related reading:

Khan AM, Lubitz SA, Sullivan LM, et al. Low Serum Magnesium and the Development of Atrial Fibrillation in the Community: The Framingham Heart Study. Circulation. 2013; 127 (1): 33-38.

Dean C. Atrial Fibrillation: Remineralize Your Heart, 2015.

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Nutritional Medicine is Orthomolecular Medicine – Orthomolecular medicine uses safe, effective nutritional therapy to fight illness. For more information: The peer-reviewed Orthomolecular Medicine News Service is a non-profit and non-commercial informational resource. For a free subscription: and to visit their archives:

View Comments

  • People need about 4000 mg of potassium a day. Some RDAs are only about 2500 - a bare, bare minimum.

  • It's fascinating to hear about your experience! Both potassium and magnesium play crucial roles in maintaining heart health and rhythm. Potassium is an electrolyte that helps regulate heart muscle function, while magnesium is involved in various biochemical reactions, including those related to heart rhythm.

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