Best Magnesium And Potassium Supplements in 2022 [*Top Picks*]

Looking for the best magnesium and potassium supplements on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

5015 Reviews Scanned

  • NOW Foods Supplements, Magnesium & Potassium Aspartate with Taurine, 120 Veg Capsules
    Bestseller #1
    NOW Foods Supplements, Magnesium & Potassium Aspartate with Taurine, 120 Veg Capsules (386)
      HEART HEALTH: Magnesium and potassium are two minerals that are ubiquitous throughout the body and play fundamental roles in cell and tissue health. Take 2 capsules 1 to 2 times daily. SUPPORTS HEALTHY HEART, MUSCLE, AND NERVE FUNCTIONS/WITH TAURINE: Taurine also helps to support neuromuscular and cardiovascular health through its role in the regulation of normal electrolyte and neurotransmitter balance. CERTIFICATIONS/CLASSIFICATIONS: Kosher, Non-GMO, Dairy Free, Egg Free, Made without Gluten, Nut Free, Soy Free, Vegan/Vegetarian GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968 During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
  • Life Extension Potassium with Extend-Release Magnesium – For Blood Pressure & Vascular, Bone Health – Promotes Cardiovascular Health - Gluten-Free – Non-GMO – 60 Vegetarian Capsules
    Bestseller #1
    Life Extension Potassium with Extend-Release Magnesium – For Blood Pressure & Vascular, Bone Health – Promotes Cardiovascular Health - Gluten-Free – Non-GMO – 60 Vegetarian Capsules (386)
      ALREADY-HEALTHY BLOOD PRESSURE - Magnesium and potassium both help maintain healthy blood pressure already within normal range. But most of us don’t get enough magnesium in our diets. The same goes for potassium. So we’ve combined our immediate and extended-release magnesium with a healthy dose of potassium. BLOOD CIRCULATION - Magnesium helps relax the smooth muscles in your blood vessels and supports blood vessel function. It also helps inhibit inflammation to support arterial health. Potassium supports vasodilation, or the expanding of your blood vessels—all great things for circulation! CARDIOVASCULAR HEALTH – Potassium and magnesium work together to encourage cardiovascular health in other ways, as well: they promote healthy heart rhythm and help the body discard excess sodium. And since our magnesium is optimized for both immediate and prolonged uptake, you get the maximum health benefits. INGREDIENTS MATTER - Sourced using only the finest raw ingredients with the purity and potency your body deserves. This product is certified non-GMO and gluten-free. Manufactured in the USA and a Certificate of Analysis is available for every product we produce. LIVE YOUR HEALTHIEST LIFE - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach and that rigorous scientific research is the path to get us there. Or formulations are created using the exact ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.
  • MD.LIFE Magnesium Potassium Supplement – 30 Capsules - High Absorption Magnesium Complex – Magnesium and Potassium for Vascular Health, Leg Cramps, Magnesium for Sleep – Non-GMO
    Bestseller #1
    MD.LIFE Magnesium Potassium Supplement – 30 Capsules - High Absorption Magnesium Complex – Magnesium and Potassium for Vascular Health, Leg Cramps, Magnesium for Sleep – Non-GMO (855)
      POTENT MAGNESIUM ASPARTATE– MD. Life’s Potassium 450mg, Magnesium 375mg is a double strength formula delivered in a 3-month supply of easy-to-swallow pills. The recommended daily dose is one pill per adult, preferably with food.* This formula is specifically designed to help relieve twitches, tremors, muscle cramps, extreme fatigue, headaches and symptoms of depression that may be attributed to potassium and magnesium deficiency.* This formula is vegan, non-GMO and gluten-free. NERVOUS SYSTEM & MUSCLE SUPPORT– MD. Life’s Potassium and Magnesium Supplement may assist with aiding muscle cell & nervous system function. An essential mineral and electrolyte, potassium helps to maintain water balance and regulate blood pressure, muscle contractions, nerve impulses and digestion. An essential mineral, magnesium plays a vital role in supporting normal nerve, muscle, heart and overall cell function. It may also help to fight inflammation and relieve constipation. MAGNESIUM FOR SLEEP - Magnesium can play a key role in the bodily function that helps to regulate sleep. One of the symptoms of having a magnesium deficiency is insomnia.* Magnesium plays a key role in nerve function by binding with gamma-aminobutyric acid (GABA) receptors, a neurotransmitter which helps to calm the nervous system. This allows the body and mind to wind down, promoting better quality sleep. POTASSIUM MAGNESIUM FOR MIGRAINES – Magnesium may assist people suffering from acute migraines as it has preventative effects.* It may be an effective and safer treatment option for relieving tension and migraines, due to its lower potential for adverse effects compared to traditional painkillers. According to the American Migraine Foundation, magnesium may help relieve migraines by preventing narrowing of blood vessels in the brain caused by serotonin, a neurotransmitter. DOCTOR DESIGNED, QUALITY ASSURED: MD. Life Potassium Magnesium is expert formulated and made in small batches with superior ingredient sourcing. Made and packaged in the USA inside our FDA registered facility, MD. Life supplements are GMP certified and undergo extensive third-party testing. Having third party certification means these products comply with specific standards set for safety, quality and performance.
  • Nutricost Potassium (99 mg) Magnesium (210 mg) Citrates, 240 Capsules - Non-GMO, Gluten Free
    Bestseller #1
    Nutricost Potassium (99 mg) Magnesium (210 mg) Citrates, 240 Capsules - Non-GMO, Gluten Free (20326)
      210mg of Magnesium (from Magnesium Citrate) per Serving 99mg of Potassium (from Potassium Citrate) per Serving 240 Capsules, 120 Servings in Each Bottle Non-GMO, Gluten Free, Soy Free, and 3rd Party Tested Made in a GMP Compliant, FDA Registered Facility.
  • Country Life Target-Mins Magnesium Potassium Aspartate - 180 Tablets - Cardiovascular - Bone Health - Relax Muscles
    Bestseller #1
    Country Life Target-Mins Magnesium Potassium Aspartate - 180 Tablets - Cardiovascular - Bone Health - Relax Muscles (23060)
      PROVIDES MAGNESIUM - You need magnesium for nerve and muscle function, blood pressure, and blood sugar regulation, forming protein, bone, and DNA. SOURCE OF POTASSIUM - Adults need about 4,700 mg of this mineral per day for nerve and muscle function and to help maintain proper blood pressure levels. LIKE AN ANTIOXIDANT - Because magnesium potassium aspartate acts like an antioxidant, it helps limit damage to your cells from compounds called free radicals helping lower your risk to some health issues. TARGET-MINS - Target Mins are complexed with specific free form amino acids and Krebs Cycle carriers for optimum mineral transport. AUTHENTICITY OF INGREDIENTS - We always use a pure form of each ingredient and all our ingredients are laboratory tested to ensure accurate identification so you can be assured we use real, authentic ingredients.
  • 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
    Bestseller #1
    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 (855)
      HIGH QUALITY INGREDIENTS. Smart for Life Potassium Magnesium Supplement is a double strength formula delivered in a 3-month supply of easy-to-swallow pills. Free of preservatives, chemicals and artificial ingredients, this supplement is made with only the finest, sustainably sourced ingredients for optimal health. Unlike other brands that use under-regulated fillers, Smart for Life supplements are always made with gut-friendly fiber. MUSCLE AND NERVE SUPPORT– This Potassium Supplement may promote better muscle cell and nervous system health by regulating blood pressure and improving muscle and nerve impulses.* This formula helps provide relief from involuntary twitches, tremors, muscle cramps and extreme fatigue associated with potassium and magnesium deficiency.* FOR MIGRAINE RELIEF – Smart for Life Magnesium Potassium Supplement may be better and safer than traditional painkillers for relieving migraines because of the limited side effects. According to the American Migraine Foundation, magnesium may help relieve acute migraines by preventing the constriction of blood vessels in the brain. This supplement may also improve overall mood.* ALL NATURAL VEGAN CAPSULES: Many capsules are made using artificial colorants and harmful ingredients. At Smart For Life, we like to do things better than our competitors. These vegan capsules are unique because they’re naturally sourced from food and free of artificial colors. These plant-based capsules are vegan friendly and free of harmful additives. ALL NATURAL VEGAN CAPSULES: Many capsules are made using artificial colorants and harmful ingredients. At Smart For Life, we like to do things better than our competitors. These vegan capsules are unique because they’re naturally sourced from food and free of artificial colors. These plant-based capsules are vegan friendly and free of harmful additives.
  • Solaray Magnesium and Potassium Asporotates w/Bromelain | Healthy Electrolyte, Muscle, Heart & Cellular Support | 60 Servings | 120 VegCaps
    Bestseller #1
    Solaray Magnesium and Potassium Asporotates w/Bromelain | Healthy Electrolyte, Muscle, Heart & Cellular Support | 60 Servings | 120 VegCaps (10899)
      Essential Support: Magnesium supports healthy muscle & cardiovascular function, relaxation & sleep Powerful Balance: An electrolyte, potassium supports healthy blood pressure & cellular health Asporotate: Chelated magnesium & potassium aspartate, citrate & orotate may enhance bioavailability Bonus Enzyme: Bromelain may help support healthy digestion and muscle comfort & recovery Trusted Brand: Manufactured in our own facility; Non-GMO, Vegan & Lab Verified for potency & purity
  • Integrative Therapeutics Krebs Magnesium-Potassium Complex - Healthy Heart Muscle Function Support* - with Magnesium Citrate, Potassium Citrate, and Malate - Gluten Free - Dairy Free - 120 Tablets
    Bestseller #1
    Integrative Therapeutics Krebs Magnesium-Potassium Complex - Healthy Heart Muscle Function Support* - with Magnesium Citrate, Potassium Citrate, and Malate - Gluten Free - Dairy Free - 120 Tablets (53121)
      Krebs Magnesium-Potassium Complex provides minerals to support healthy heart muscle function* Contains potassium and magnesium complexed to the Krebs cycle intermediates (citrate and malate) These organic acids are responsible for energy production within cells, including the heart Gluten free, dairy free, vegan; contains no wheat, corn or soy
  • Pure Encapsulations Potassium Magnesium (Citrate) | Supports Heart Health, Muscles, Bone Mineralization, Nerves, and Acid/Alkaline Balance* | 180 Capsules
    Bestseller #1
    Pure Encapsulations Potassium Magnesium (Citrate) | Supports Heart Health, Muscles, Bone Mineralization, Nerves, and Acid/Alkaline Balance* | 180 Capsules (53121)
      Cardiovascular & Muscle Function: Potassium Magnesium as a supplement offers a wide range of nutritional support for healthy functioning of many organs in the body, including cardiovascular health and muscle function.* Nerve & Muscle Health: Potassium and magnesium are essential for healthy nerve impulse function, muscle contraction, cardiovascular function, acid/alkaline balance and nutrient metabolism.* Optimal Utilization: Magnesium also plays an important role in facilitating potassium utilization, helping to provide optimal support from this important combination.* Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity. Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
  • DSO Magnesium Potassium Supplements - 90 Count - Doctor Designed High Absorption Potassium Magnesium Supplement – Vegan Potassium Aspartate for Sleep - Leg Cramp Relief
    Bestseller #1
    DSO Magnesium Potassium Supplements - 90 Count - Doctor Designed High Absorption Potassium Magnesium Supplement – Vegan Potassium Aspartate for Sleep - Leg Cramp Relief (73)
      PREMIUM POTASSIUM MAGNESIUM ASPARTATE– DSO Potassium Magnesium is a maximum strength formula delivered in a 3-month supply of easy-to-swallow pills. The recommended daily dose is one pill per adult, preferably with food. This supplement may help relieve twitches, tremors, muscle cramps, extreme fatigue, headaches and symptoms of depression that may be attributed to potassium and magnesium deficiency.* NERVOUS SYSTEM AND MUSCLE SUPPORT– DSO Potassium Magnesium may assist with bolstering nervous system and muscle cell function. An essential mineral and electrolyte, potassium helps to regulate a range of functions. These include helping maintain water balance, blood pressure, muscle contractions, nerve impulses and digestion. An essential mineral, magnesium plays a vital role in supporting normal nerve, muscle, heart and overall cell function. DOCTOR DESIGNED SUPPLEMENTS– DSO only creates the best, premium quality supplements which are free of fillers, chemicals and preservatives commonly found in other supplements. Designed by Dr. Moulavi, a Bariatric Physician with over 25 years of experience, DSO Potassium Magnesium is scientifically formulated for optimal health. These capsules are kosher, vegetarian, non GMO, gluten free, dairy free, egg free, corn free and soybean free. THIRD PARTY TESTED FOR PURITY– Made and packaged in the USA inside our FDA registered facility, DSO products are GMP certified and undergo extensive third-party testing. Having third party certification means these products comply with specific standards set for safety, quality and performance. DSO supplements are made in small batches with superior ingredient sourcing, expert formulations and rigorous quality control ECO FRIENDLY PACKAGING– DSO only uses biodegradable packaging for all our supplements because we want our environment to flourish too! Every year, 300 million tons of plastic are being produced and later discarded into our oceans worldwide. We believe that implementing sustainability practices into our business model is just about doing the right thing. Here at DSO we like to lead by example.
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How to Choose the Best magnesium and potassium supplements: Buying Guide & Tips

Purchasing the *top magnesium and potassium supplements *online sometimes takes a lot of time, especially if you don’t know which essential characteristics this item should have. Even the best-rated magnesium and potassium supplements might seem great at first glance but appear unsuitable in your case. You should decide on the distinct features you’re looking for, and shopping will become much easier.

There is a variety of reliable magnesium and potassium supplements brands, and you might get a little confused observing all magnesium and potassium supplements options on the market. That’s not a big issue if you have a magnesium and potassium supplements buying guide with expert tips to help you purchase a fitting item. So, which are the most common questions you might have?

  • Which magnesium and potassium supplements brands can I trust?
  • How to pick up a long-lasting magnesium and potassium supplements?
  • Who makes the best magnesium and potassium supplements?
  • Which magnesium and potassium supplements price is an average one?
  • What should I look for in a magnesium and potassium supplements?
  • Which models are the best ones?

Answering all these questions will definitely make your search easier. Although it might be challenging to find an ideal variant, there are some basic features magnesium and potassium supplements should have. If the option you like comes with these characteristics, you will be satisfied with the purchase.

You might have more questions, and the answers to them might be hidden in our guide. We make the magnesium and potassium supplements comparison by analyzing multiple factors. So, you can check it anytime to choose the best magnesium and potassium supplements easier.

Get Ready to Pick the Best magnesium and potassium supplements

Although you can be a professional in buying online products, purchasing each item requires a different attitude. That’s why you should pay attention to details. If you only start purchasing online, you shouldn’t worry, because there is nothing in the world you can’t learn.

No matter if you're a newcomer or an experienced online customer, you probably want to find a high-quality magnesium and potassium supplements. You can choose between products in the lower or higher price range. In each section, there are suitable and reliable variants. So, the price is not always the first you should look at.

The quality of the product is one of the priorities of any customer. Here are some tips about what to consider before you purchase magnesium and potassium supplements:

  1. Make a list of features you would like to see in the item.
  2. Check out diverse product descriptions to understand what you can find on the market;
  3. *Compare magnesium and potassium supplements reviews *of the item you like;
  4. If one brand suits you, examine several variants it offers.

Quality magnesium and potassium supplements Rating

How do we rate each magnesium and potassium supplements, and should you trust the rating we provide? When we estimate a particular item, we analyze the product itself and diverse reviews. The best-rated magnesium and potassium supplements is always the one with good quality, affordable price, and reliable manufacturer. You can trust its description and clients’ reviews.

It would be close to impossible to choose one or several products that suited every customer. It should be unique and multipurpose at the same time. There is a list of factors we consider when rating each product. When choosing a suitable item, you should rely on your preferences first, but a professional outside perspective might come to the rescue too. Check out how we test each magnesium and potassium supplements *and which aspects we evaluate *below:

  • overall description and features of the product;
  • reliability of the brand;
  • the number of positive and negative reviews;
  • warranty and company service;
  • video reviews;
  • the durability of the item.

Our magnesium and potassium supplements ratings will work perfectly together with your analysis to help you find the best magnesium and potassium supplements. We strive to improve our customer service all the time. Each review is published after thorough testing to make sure the best-rated magnesium and potassium supplements corresponds to the highest quality.

We are always ready to answer any questions that might appear during shopping, so you are welcome to leave them in the comments. If you have any recommendations, you can also contact us and share them.

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