Best Potassium Magnesium Supplements of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 5, 2025

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Potassium Magnesium supplements are a popular choice for people looking to boost their overall health and wellbeing. These supplements contain two essential minerals that are important for a wide range of bodily functions. Potassium helps regulate fluid balance, muscle contractions, and nerve function, while magnesium is involved in energy production, bone health, and muscle relaxation. Together, these minerals work to support cardiovascular health, maintain healthy blood pressure levels, and promote overall relaxation and calmness. Potassium Magnesium supplements are available in various forms, including capsules, tablets, and powders, making it easy to incorporate them into your daily routine.

At a Glance: Our Top Picks

Life Extension Potassium with Extend-Release Magnesium Cover #TOP 1
Life Extension Potassium with Extend-Release Magnesium
ftb score rating icon 9.8
MD. Life Magnesium Potassium Supplement - 90 Capsules Cover #TOP 2
MD. Life Magnesium Potassium Supplement - 90 Capsules
ftb score rating icon 9.7
Solaray Magnesium and Potassium Asporotates w/ Bromelain | 120 VegCaps Cover #TOP 3
Solaray Magnesium and Potassium Asporotates w/ Bromelain | 120 VegCaps
ftb score rating icon 9.5

Top 10 Potassium Magnesium Supplements

Life Extension Potassium with Extend-Release Magnesium

02309
Beige
Life Extension Potassium with Extend-Release Magnesium Cover
Life Extension Potassium with Extend-Release Magnesium – Heart health supplement for blood pressure support with two essential minerals – Non-GMO, vegetarian, gluten-free – 60 capsules

This product features a combination of immediate and extended-release magnesium with potassium to promote healthy blood pressure, blood circulation, and cardiovascular health. Magnesium helps relax blood vessels and support blood vessel function, while potassium supports vasodilation. The product is non-GMO and gluten-free, and the ingredients are sourced using only the finest raw materials. The manufacturer believes in creating advanced and effective formulas based on rigorous scientific research, ensuring maximum bioavailability and efficacy.

What We Like
Promotes healthy blood pressure
Supports blood circulation and cardiovascular health
Combination of immediate and extended-release magnesium with potassium
#TOP 2

MD. Life Magnesium Potassium Supplement - 90 Capsules

Potassium
MD. Life Magnesium Potassium Supplement - 90 Capsules Cover
MD. Life Magnesium Potassium Supplement - 90 Capsules - High Absorption Magnesium Complex to Support Vascular Health & Leg Cramp 90cts

MD. Life Magnesium Potassium Supplement is a vegan, non-GMO, and gluten-free supplement that provides a double strength formula of Potassium 450mg and Magnesium 375mg. It helps to relieve twitches, tremors, muscle cramps, extreme fatigue, headaches, and symptoms of depression that may be attributed to potassium and magnesium deficiency. The supplement aids muscle cell & nervous system function, supports normal nerve, muscle, heart and overall cell function, and may assist in relieving migraines. It is expertly formulated, made in small batches, GMP certified, and undergoes extensive third-party testing.

What We Like
Vegan, non-GMO, and gluten-free
Double strength formula of Potassium 450mg and Magnesium 375mg
Assists muscle cell & nervous system function
May relieve migraines
GMP certified and undergoes extensive third-party testing
#TOP 3

Solaray Magnesium and Potassium Asporotates w/ Bromelain | 120 VegCaps

8925640
120ct
Solaray Magnesium and Potassium Asporotates w/ Bromelain | 120 VegCaps Cover
Solaray Magnesium and Potassium Asporotates with Bromelain, Magnesium Potassium Supplement for Bone Strength and Muscle Support, Vegan Magnesium Potassium Supplements, 60 Servings, 120 VegCaps

The Solaray Magnesium and Potassium Asporotates w/ Bromelain is a supplement that provides essential support for healthy muscle, cardiovascular function, relaxation, sleep, and cellular health. The chelated magnesium and potassium aspartate, citrate, and orotate may enhance bioavailability. The supplement also contains bromelain which may support healthy digestion and muscle comfort and recovery. The product is manufactured in their own facility, non-GMO, vegan, and lab verified for potency and purity.

What We Like
Provides essential support for healthy muscle, cardiovascular function, relaxation, sleep, and cellular health
Chelated magnesium and potassium aspartate, citrate, and orotate may enhance bioavailability
Contains bromelain which may support healthy digestion and muscle comfort and recovery
#TOP 4

Pure Encapsulations Potassium Magnesium (Citrate) | 180 Capsules

Pure Encapsulations Potassium Magnesium (Citrate) | 180 Capsules Cover
Pure Encapsulations Potassium Magnesium (Citrate) - for Heart Health & Bone Mineralization* - Optimal Absorption - Gluten Free & Non-GMO - 180 Capsules

Pure Encapsulations Potassium Magnesium (Citrate) is a magnesium supplement that supports heart health, muscle function, nerve impulse function, acid/alkaline balance, and nutrient metabolism. Magnesium helps to facilitate potassium utilization, providing optimal support. Pure Encapsulations supplements are made with only premium ingredients that are carefully manufactured and tested to ensure potency and purity. The product is free from common allergens and unnecessary additives.

What We Like
Supports heart health, muscle function, nerve impulse function, acid/alkaline balance, and nutrient metabolism
Facilitates potassium utilization, providing optimal support
Premium ingredients and careful manufacturing and testing ensure potency and purity
Free from common allergens and unnecessary additives
#TOP 5

Country Life Target-Mins Magnesium Potassium Aspartate Tablets

Country Life Target-Mins Magnesium Potassium Aspartate Tablets Cover
Country Life Magnesium and Potassium Supplement for Heart Health, Cardiovascular Support, Immune System and Bone Health, Gluten-Free

Country Life Target-Mins Magnesium Potassium Aspartate Tablets provide essential magnesium and potassium minerals for nerve and muscle function, blood pressure, and blood sugar regulation, forming protein, bone, and DNA. Acting like an antioxidant by limiting damage to cells from compounds called free radicals, it helps lower the risk of some health issues. The Target-Mins complexed with specific free form amino acids and Krebs Cycle carriers ensure optimum mineral transport. Authenticity of ingredients is guaranteed, with all ingredients laboratory tested for accurate identification and assurance of using real, authentic ingredients.

What We Like
Provides essential magnesium and potassium minerals for multiple body functions
Acts as an antioxidant to limit cell damage and lower the risk of some health issues
Target-Mins complexed with specific free form amino acids and Krebs Cycle carriers ensure optimum mineral transport
All ingredients are laboratory tested for accurate identification and authenticity
#TOP 6

SMART FOR LIFE Potassium Magnesium Supplement

Potassium
SMART FOR LIFE Potassium Magnesium Supplement Cover
SMART FOR LIFE Potassium Magnesium Supplement – High Absorption Magnesium Complex – 90 Vegan Capsules - Magnesium and Potassium Supplement for Vascular Health, Magnesium for Leg Cramps and Sleep 90 ct

Smart for Life Potassium Supplement is a high-quality, doctor-designed magnesium and potassium supplement that supports muscle and nerve health, relieves migraines, and promotes overall mood. Made with only the finest, sustainably sourced ingredients, this supplement is free of preservatives, chemicals, and artificial ingredients. The double strength formula helps regulate blood pressure, improve muscle and nerve impulses, and provide relief from twitches, tremors, muscle cramps, and extreme fatigue associated with deficiency. With all-natural vegan capsules, this supplement is free of harmful additives and is scientifically formulated for optimal health. Made in the USA in a certified facility, Smart for Life Potassium Supplement ensures safety, quality, and performance.

What We Like
High Quality Ingredients
Muscle and Nerve Support
Migraine Relief
#TOP 7

Pure Encapsulations Potassium Magnesium

Pure Encapsulations Potassium Magnesium Cover
Pure Encapsulations Potassium Magnesium (Aspartate) | Supplement to Support Heart, Muscular, Bone, and Nerve Health* | 90 Capsules

Pure Encapsulations Potassium Magnesium is a high-quality supplement that offers comprehensive support for heart, muscular, bone, and nerve health. This carefully crafted formula combines the essential minerals of potassium and magnesium to provide a wide range of benefits. Firstly, it supports cardiovascular health, ensuring the proper functioning of the heart. Secondly, it promotes healthy muscle function, aiding in muscle contraction and overall muscular health. Thirdly, it plays a crucial role in maintaining nerve health, supporting healthy nerve impulse function. Lastly, it contributes to acid/alkaline balance and nutrient metabolism, ensuring optimal bodily functions. With Pure Encapsulations Potassium Magnesium, you can enjoy the convenience of a single supplement that addresses multiple health needs, allowing you to maintain a healthy and active lifestyle.

What We Like
Comprehensive support for heart, muscular, bone, and nerve health
Promotes cardiovascular health and muscle function
Supports healthy nerve impulse function
#TOP 8

Santa Cruz Magnesium + Potassium Capsules

Santa Cruz Magnesium + Potassium Capsules Cover
Santa Cruz Magnesium & Potassium Capsules - Paleo, Keto, Gluten Free - For Health, Energy, Brain, Muscle Support

Santa Cruz Magnesium Capsules are a top-notch supplement designed to enhance your health. Each capsule provides a precise dose of magnesium glycinate, which supports muscle and bone health while boosting your energy levels. With no unwanted fillers or additives, you can trust that you are giving your body only the essentials. Additionally, the inclusion of potassium citrate helps maintain a balanced magnesium-potassium ratio, crucial for overall well-being. Taking just two easy-to-swallow capsules daily can help you feel your best.

What We Like
No fillers or additives
Supports energy and muscle health
Easy-to-swallow capsules
Balanced magnesium-potassium ratio
#TOP 9

DSO Magnesium Potassium Supplements

Doctors Scientific
DSO Magnesium Potassium Supplements Cover
DSO Potassium Magnesium Supplement - 90 Count - Doctor Designed High Absorption Magnesium Potassium Supplement – Vegan Potassium Magnesium Aspartate for Sleep & Leg Cramp Relief

DSO Potassium Magnesium is a premium supplement designed to support your nervous system and muscle health. Formulated by Dr. Moulavi, a Bariatric Physician with over 25 years of experience, this maximum strength formula contains potassium and magnesium aspartate. These essential minerals play a crucial role in maintaining water balance, regulating blood pressure, supporting normal nerve and muscle function, and aiding digestion. By taking one pill per day, preferably with food, you may experience relief from twitches, tremors, muscle cramps, extreme fatigue, headaches, and symptoms of depression associated with potassium and magnesium deficiency. DSO Potassium Magnesium is also free of fillers, chemicals, and preservatives, making it a safe and high-quality choice. Plus, it is kosher, vegetarian, non-GMO, gluten-free, dairy-free, egg-free, corn-free, and soybean-free. With third-party testing for purity and eco-friendly packaging, DSO Potassium Magnesium is a reliable and sustainable supplement for your overall well-being.

What We Like
Premium formula
Doctor designed
Third-party tested
#TOP 10

NEVISS Potassium Magnesium Gummies

NEVISS Potassium Magnesium Gummies Cover
Potassium Magnesium Gummies - Potassium Supplement w/Ashwagandha 200mg, High Absorption Magnesium Glycinate,B6,B12,Potassium Citrate for Leg Cramps,Muscle,Electroyte for Adults Kids,Sugar-Free, 2Pack

NEVISS Potassium Magnesium Gummies, also known as NEVISS Gummies, are the perfect way to get your daily dose of nutrition. Made from premium ingredients, these grape-flavored gummies contain potassium citrate, magnesium glycinate, Vitamin C, B6, B12, and Ashwagandha. They offer a variety of benefits, including supporting proper muscle function, relieving tightness and soreness, decreasing leg cramps, and promoting muscle relaxation. In addition, these gummies are sugar-free and vegan-friendly, making them a convenient and healthy choice. Made in the USA with exceptional quality and consistency, NEVISS Gummies are the ideal supplement for overall health and well-being.

What We Like
Premium ingredients
Muscle function support
Sugar-free
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Can potassium and magnesium be taken together?

Yes, it is safe to take potassium and magnesium together. They are often prescribed together for treating certain diseases and illnesses, such as heart failure, as they provide cardiovascular benefits. Additionally, both minerals work synergistically to improve mood and reduce the risk of mental health conditions.

2. What are the benefits of taking potassium and magnesium?

Taking potassium and magnesium supplements offers several benefits. These essential minerals play important roles in regulating muscle movement, maintaining the nervous system, and repairing DNA. Potassium also helps regulate fluid balance in the body. Together, they support heart, muscular, bone, and nerve health.

3. Is there a potassium magnesium supplement?

Yes, there are potassium magnesium supplements available in the market. One example is Pure Encapsulations Potassium Magnesium (Aspartate), which comes in capsule form and supports heart, muscular, bone, and nerve health.

4. What are the side effects of potassium magnesium citrate?

Some potential side effects of potassium magnesium citrate include nausea, vomiting, diarrhea, stomach pain, abdominal swelling, constipation, bloody stools, and breathing problems. It is important to inform your doctor if you experience any of these symptoms, especially if you are also taking aspirin.

5. What are signs of low potassium?

Signs of low potassium levels in the body include weakness, fatigue, muscle cramps, confusion, constipation, abnormal heart rhythm, tingling or numbness, and increased urination.

6. What should you not mix with potassium supplements?

Avoid taking potassium supplements if you are also using atropine, benztropine (Cogentin®), glycopyrrolate (Robinul®), or diuretics (water pills) like amiloride, spironolactone, triamterene, Aldactone®, Dyrenium®, or Midamor®. Using these medications together may lead to serious problems.

7. Does potassium and magnesium give you energy?

Magnesium, along with calcium, potassium, and sodium, is an essential electrolyte that plays a role in energy production. Therefore, taking potassium and magnesium supplements can contribute to maintaining energy levels in the body.

8. How do you know if you need magnesium or potassium?

Magnesium deficiency can be diagnosed through a blood test and sometimes a urine test. If you experience symptoms like weakness, irritability, abnormal heart rhythm, nausea, diarrhea, or abnormal calcium or potassium levels, your doctor may order a blood test to assess your magnesium levels.

9. When should I take magnesium and potassium?

It is recommended to take potassium and magnesium supplements right after meals or with food. The specific dosage and frequency should be followed as indicated on the product label.

10. Who should not take potassium citrate?

Potassium citrate should not be taken if you are also using atropine, benztropine (Cogentin®), glycopyrrolate (Robinul®), or diuretics (water pills) like amiloride, spironolactone, triamterene, Aldactone®, Dyrenium®, or Midamor®. Using these medications together can lead to serious complications.

Editor's Notes

During our potassium magnesium supplement research, we found 24 potassium magnesium supplement products and shortlisted 10 quality products. We collected and analyzed 85,573 customer reviews through our big data system to write the potassium magnesium supplements list. We found that most customers choose potassium magnesium supplements with an average price of $21.09.

The potassium magnesium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of potassium magnesium supplements, including Life Extension, MD.LIFE, SOLARAY, Pure Encapsulations, Country Life. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.