Best Potassium Magnesium Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 23, 2026

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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

Pure Encapsulations Magnesium (Glycinate) Cover #TOP 1
Pure Encapsulations Magnesium (Glycinate)
ftb score rating icon 9.8
Pure Encapsulations Magnesium (Citrate) | 180 Capsules Cover #TOP 2
Pure Encapsulations Magnesium (Citrate) | 180 Capsules
ftb score rating icon 9.7
AEQNJV Magnesium Glycinate Gummies 600mg Cover #TOP 3
AEQNJV Magnesium Glycinate Gummies 600mg
ftb score rating icon 9.5

Top 6 Potassium Magnesium Supplements

Pure Encapsulations Magnesium (Glycinate)

Pure Encapsulations Magnesium (Glycinate) Cover
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 90 Capsules

Pure Encapsulations Magnesium (Glycinate) is a supplement designed to support stress relief, sleep, heart health, nerves, muscles, and metabolism. It activates the enzymes necessary for a number of physiological functions, helps the metabolism and utilization of essential nutrients, and is necessary for the metabolism of carbohydrates, amino acids, and energy production. It is made with premium ingredients, free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

What We Like
Improved sleep quality
Reduces muscle cramps
Gentle on stomach
High-quality, clean formula
Supports relaxation

Pure Encapsulations Magnesium (Citrate) | 180 Capsules

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Pure Encapsulations Magnesium (Citrate) | 180 Capsules Cover
Pure Encapsulations Magnesium (Citrate) - Supplement for Sleep, Heart Health, Cognitive Health, Bone Health, Energy, Muscles, and Metabolism* - with Premium Magnesium - 180 Capsules

Pure Encapsulations Magnesium (Citrate) is a supplement that can help with heart health, overall health and nutrient metabolism, energy and bone support. The product is made with premium ingredients and is free from harmful substances such as gluten and GMOs.

What We Like
May improve heart health
Helps with nutrient metabolism and energy production
Pure quality ingredients
Free from harmful substances such as gluten and GMOs

AEQNJV Magnesium Glycinate Gummies 600mg

AEQNJV
XY-US-Raspberry-UVP
AEQNJV Magnesium Glycinate Gummies 600mg Cover
Magnesium Glycinate Gummies 600mg, Sugar Free Magnesium Gummies for Adults with L-Threonate, Chewable Potassium Supplements for Body Support, Zzz and Relaxation, 120 Count

The AEQNJV Magnesium Gummies offer a powerful blend of 600mg magnesium complex, potassium, CoQ10, calcium, vitamin D, and B6, all in a sugar-free gummy form. This combination supports your body by promoting better sleep and relaxation, helping to ease muscle tension and reduce stress for a more restful night. These gummies are perfect if you dislike swallowing pills, as they come in a tasty raspberry flavor and are easy to chew. Plus, they support your immune system and energy levels, making them a convenient choice for adults of all ages looking to improve their overall wellness.

What We Like
Sugar-free formula
Supports restful sleep
Includes essential vitamins
Easy to chew and tasty
Supports immunity and energy
#TOP 4

P Puregen Labs Magnesium 400mg

P Puregen Labs Magnesium 400mg Cover
Magnesium 400mg [High Potency] Supplement – Magnesium Oxide for Immune Support, Muscle Recovery, Leg Cramps and Relaxation 120 Tablets

Puregen Labs Magnesium 400mg Supplement is a high potency magnesium oxide formula that offers a range of benefits for your overall health and well-being. This supplement promotes energy production, supports muscle, bone, and nerve health, and helps maintain a healthy heart rhythm and blood pressure. It also promotes rest and relaxation, making it ideal for those who struggle with sleep or experience muscle cramps. Additionally, this supplement aids in the absorption of calcium and potassium, further supporting your body's overall health. Made in the USA, this high-quality magnesium supplement is a convenient way to ensure you're getting the essential magnesium your body needs for optimal performance and recovery.

What We Like
Promotes energy production
Supports muscle, bone, and nerve health
Helps maintain a healthy heart rhythm and blood pressure
#TOP 5

BioSchwartz Magnesium Bisglycinate Capsules

BIO-MAGNESIUM-200MG-120-FR-1
180 Count.
BioSchwartz Magnesium Bisglycinate Capsules Cover
Magnesium Bisglycinate Chelated Supplement - High Absorption Magnesium Supplement for Muscle, Bone & Joint Support - Non-GMO, Non-Laxative, Fully Buffered for Maximum Bioavailability - 180 Capsules

BioSchwartz Magnesium Bisglycinate Capsules are easy-to-swallow mini capsules, free of binders, fillers and other chemical additives. This vegan & vegetarian formula is easy on the stomach with no laxative effect, providing countless benefits such as promoting muscle, bone, joint and cardiovascular health as well as encouraging increased energy levels. The patented Albion TRAACS form of bioavailable magnesium ensures high bioavailability, allowing for maximum absorption. Each supplement is formulated by a team of highly experienced healthcare professionals in the USA to ensure the greatest benefits are achieved.

What We Like
Easy-to-swallow mini capsules
No laxative effect
Promotes muscle, bone, joint, and cardiovascular health
#TOP 6

Magnesium Glycinate 400 mg - 200 Tablets

Magnesium Glycinate 400 mg - 200 Tablets Cover
Magnesium Glycinate 400mg | 200 Tablets | High Absorption Mag Supplements for Sleep, Leg Cramps, Heart, Muscle, Calm | Non Buffered Bisglycinate, Extra Strength for Women and Men, Tablets Not Capsules

Nature's Branch Magnesium Glycinate supplement provides a 3+ month supply of high absorption, non-buffered bisglycinate magnesium with ultra-fast stomach dissolving support. The small size tablets are suitable for women and men and help support calm sleep, leg cramp relief, heart health, and muscle aches. The magnesium supplement is made in the USA, all-natural, vegan, and free from artificial flavors and sweeteners. The 100% satisfaction guarantee ensures a risk-free purchase.

What We Like
Provides a 3+ month supply
Ultra-fast stomach dissolving support
Small size tablets suitable for women and men
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 6 quality products. We collected and analyzed 599,227 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 $20.33.

The potassium magnesium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of potassium magnesium supplements, including Pure Encapsulations, AEQNJV, P Puregen Labs, BioSchwartz, NATURE'S BRANCH. The seller of top 1 product has received honest feedback from 48,284 consumers with an average rating of 4.9.

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.