Best Potassium Supplements of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 15, 2025

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Potassium supplements are a type of dietary supplement that contains potassium, an essential mineral that plays a vital role in maintaining proper bodily function. These supplements are often recommended for individuals with low potassium levels due to certain medical conditions, such as kidney disease or heart failure. They are also commonly used by athletes and fitness enthusiasts to replenish potassium lost through sweat during intense exercise. Potassium supplements come in various forms, including tablets, capsules, and powders, and can be found at most health food stores and pharmacies. It is important to consult with a healthcare professional before beginning any supplement regimen to ensure proper dosage and to avoid potential interactions with other medications.

At a Glance: Our Top Picks

Nature Made Potassium Gluconate 550mg Cover #TOP 1
Nature Made Potassium Gluconate 550mg
ftb score rating icon 9.9
Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets Cover #TOP 2
Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets
ftb score rating icon 9.8
Life Enhancement Potassium Supplement Cover #TOP 3
Life Enhancement Potassium Supplement
ftb score rating icon 9.6

Top 10 Potassium Supplements

#TOP 1

Nature Made Potassium Gluconate 550mg

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Nature Made Potassium Gluconate 550mg Cover
Nature Made Potassium Gluconate 550mg, 100 tablets

Nature Made Potassium Gluconate is a potassium supplement that offers a range of benefits for your overall health. This supplement helps control the activity of the heart muscle, ensuring its proper functioning. Additionally, it helps regulate water balance within the body, which is crucial for maintaining hydration levels. Nature Made Potassium Gluconate is free from chemical solvents, yeast, starch, and gluten, making it a suitable choice for individuals with specific dietary needs. With Amazon's careful shipping practices, you can trust that the product will arrive in optimal condition. Improve your heart health and water balance with Nature Made Potassium Gluconate.

What We Like
Great price on Amazon
Arrived on time
Effective for blood pressure support
High-quality brand of vitamins
Contains necessary potassium
What We Don't Like
Sharp edges, hard to swallow
May cause stomach cramps
#TOP 2

Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets

Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets Cover
Nature's Bounty Potassium, Supports Fluid Balance, Dietary Supplement, 99 mg, 100 Caplets

Nature's Bounty Potassium Caplets are an essential mineral supplement that supports fluid balance, muscle activity, and normal heart function. Potassium is needed by the body for mineral balance in the blood and muscle activity. With an easy dose of just one vegetarian caplet a day, Nature's Bounty Potassium Caplets offer convenience and benefits to users. By supporting fluid balance, it can help regulate blood pressure. By supporting muscle activity, it can help prevent cramping during exercise. By supporting normal heart function, it can help maintain a healthy cardiovascular system.

What We Like
Effective after one month
Willingness to repurchase
#TOP 3

Life Enhancement Potassium Supplement

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Life Enhancement Potassium Supplement Cover
Life Enhancement Potassium Supplement, 1020 mg,120 Servings, 240 caps

Life Enhancement Potassium Supplement provides 1020mg of pure potassium bicarbonate in each serving to boost your daily potassium intake. This supplement helps to support the complete health and total well-being of your entire body. The veggie capsules are easy-to-swallow and contain less than 1% Magnesium Stearate. Life Enhancement is a trusted brand that has been creating and manufacturing supplements for over 25 years.

What We Like
Effective electrolyte replenishment
Easy to swallow capsules
Fair pricing
Supports blood pressure control
What We Don't Like
Confusing dosage instructions
#TOP 4

Nutricost Potassium Citrate 99mg, 500 Capsules

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Nutricost Potassium Citrate 99mg, 500 Capsules Cover
Nutricost Potassium Citrate 99mg, 500 Capsules

Nutricost Potassium Citrate 99mg comes in a bottle of 500 capsules, with each capsule providing a maximum serving size of 99mg of Potassium. It is Non-GMO, Gluten Free, Soy Free, and 3rd Party Tested. The product is made in a GMP Compliant, FDA Registered Facility, and the lid may be blue or white. Remember not to exceed the recommended serving size.

What We Like
Effective for leg cramps
Capsules dissolve well
Improved overall health
Minimal gastrointestinal upset
Convenient dosage options
What We Don't Like
Uncertainty about effectiveness
Potential side effects
#TOP 5

Pure Encapsulations Potassium (Citrate) | 180 Capsules

Pure Encapsulations Potassium (Citrate) | 180 Capsules Cover
Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 180 Capsules

Pure Encapsulations Potassium (Citrate) is an essential electrolyte supplement that supports nerve and muscle function, adrenals, hormones, heart health, and energy. It offers overall physiological support, maintains electrolyte balance, and promotes cardiovascular function. The supplements are made with premium ingredients, guided by nutritional experts, and verified for potency and purity. The product is free from wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.

What We Like
Quick shipping and delivery
Good quality, no fillers
Maintains proper potassium levels
Reliable availability through Subscribe and Save
What We Don't Like
No plastic safety collar
#TOP 6

Nature Made Potassium Gluconate 550 mg

Nature Made Potassium Gluconate 550 mg Cover
Nature Made Potassium Gluconate 550 mg, Dietary Supplement for Heart Health Support, 100 Tablets, 100 Day Supply

Nature Made Potassium Gluconate 550 mg is a dietary supplement designed to support heart health. Each bottle contains 100 tablets, providing a 100-day supply. These tablets help maintain fluid balance and support nerve, muscle, and heart function. With 90 mg of potassium per tablet, this supplement ensures your body gets the essential mineral it needs to function properly. Taking just one tablet daily with water and a meal is all it takes to reap the benefits. This gluten-free supplement is also free from artificial flavors, colors, and preservatives. Nature Made is the number one pharmacist recommended vitamin and supplement brand in the United States, and this product is USP verified. Please note that these statements have not been evaluated by the FDA and the product is not intended to diagnose, treat, cure, or prevent any disease.

What We Like
Decent size of pills
Doctor approved results
Good quality product
Daily intake recommended
What We Don't Like
Small bottle size
Price could be better
#TOP 7

Puregen Labs Potassium Bicarbonate Supplement 1020 mg

Puregen Labs Potassium Bicarbonate Supplement 1020 mg Cover
Puregen Labs Potassium Bicarbonate Supplement 1020 mg | Non-GMO | Gluten Free | Made in USA | 240 Vegetarian Capsules

Puregen Potassium Supplement provides you with 1020 mg of Potassium in each serving, essential for maintaining adequate levels in your body. These easy-to-swallow vegetarian capsules offer potent support for your health. Following your doctor's directions is crucial when taking this supplement to ensure optimal benefits. It is important to be cautious as Potassium Bicarbonate may interact with certain medications. Made in the USA, this Vegetarian Friendly and Gluten-Free formula is crafted in a facility that upholds strict GMP guidelines for your safety and quality assurance.

What We Like
High potency 500 mg
No added junk
Effective for fatigue relief
Consistent quality
#TOP 8

HEALTH LFE Potassium Supplement 1020 mg

HEALTH LFE Potassium Supplement 1020 mg Cover
365 Health Potassium Supplement 1020 mg | Potassium Bicarbonate | Non-GMO | Gluten Free | Made in USA | 120 Vegetarian Capsules

HEALTH LFE Potassium Capsules are designed to help you meet your daily potassium needs, which many people find challenging through diet alone. Each capsule provides 510 mg of potassium bicarbonate, offering a convenient way to support your overall health. This essential mineral is important for heart health, muscle function, and maintaining fluid balance in your body. However, it’s crucial to consult your doctor before starting any potassium supplements, especially if you are on certain medications, to ensure your safety and well-being.

What We Like
Effective for reducing cramps
Easy to swallow capsules
Non-GMO and gluten-free
Improves energy and hydration
Made in the USA
What We Don't Like
High potassium caution advised
Medical supervision recommended
#TOP 9

Thorne Potassium Citrate Supplement - 90 Capsules

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Thorne Potassium Citrate Supplement - 90 Capsules Cover
Thorne Potassium Citrate - Highly-Absorbable Potassium Supplement for Kidney, Heart, and Skeletal Support - 90 Capsules

Thorne Potassium Citrate is a highly-absorbable supplement that supports skeletal muscle function, cardiovascular health and alkalinizes the urine to promote good urinary tract health. This product is free from gluten, soy, dairy, shellfish, fish, and other major allergens. Thorne is a trusted brand that is backed by science and is used by health-care professionals, the Mayo Clinic, U.S. National Teams, and families globally.

What We Like
Small capsule size
Easy to swallow
Reliable brand
Helps balance minerals
No sugars or flours
What We Don't Like
Low dosage compared to daily needs
#TOP 10

Life Enhancement Potassium Supplement Cardio Natural Potassium Supplement

Life Enhancement Potassium Supplement Cardio Natural Potassium Supplement Cover
Life Enhancement Potassium Supplement Cardio Natural Potassium Supplement - 750 mg Potassium / 500 mg Taurine Per Serving- Daily Potassium Supplements - 120 Potassium Capsules (60 Servings)

Life Enhancement Potassium Supplement is a pure potassium bicarbonate supplement that provides 750mg of potassium and 500mg of taurine per serving. Potassium is an essential nutrient that supports the complete health and total well-being of your entire body. Most of us are not getting adequate amounts of potassium in our diets, but with this supplement, you can easily improve your daily potassium intake. The veggie capsules are easy to swallow, and the brand has been trusted for over 25 years. With daily support from Life Enhancement Potassium Supplement, you can enjoy a healthier you.

What We Like
Convenient single-pill dosage
Can be taken on empty stomach
Part of daily supplement routine
Less pill burden compared to alternatives
What We Don't Like
Taurine's effectiveness is uncertain
Buying Guide Image

Why We Recommend Potassium Supplements

Introduction

Potassium is an essential mineral that is necessary for proper functioning of the body. It plays a vital role in regulating blood pressure, heart function, and muscle contractions. Many people don't get enough potassium in their diet, and for these individuals, taking a potassium supplement may be necessary. Choosing the right potassium supplement can be challenging, as there are many options available on the market. In this article, we will provide some tips for choosing a potassium supplement that is safe, effective, and suitable for your needs.

Understanding Potassium and Its Role in the Body

Before choosing a potassium supplement, it is important to understand the role that potassium plays in the body and the recommended daily intake of potassium. Potassium is a mineral that is found in a wide variety of foods, including fruits, vegetables, dairy products, and meats. It is important for maintaining healthy blood pressure and heart function, as well as for proper muscle function and fluid balance.

The recommended daily intake of potassium for adults is 4,700 milligrams per day. However, many people do not get enough potassium in their diet, and for these individuals, taking a potassium supplement may be necessary. Potassium supplements are available in a variety of forms, including tablets, capsules, and powders.

Choosing a Potassium Supplement

When choosing a potassium supplement, it is important to consider the following factors:

  • Type of potassium supplement: Potassium supplements are available in a variety of forms, including tablets, capsules, and powders. Some people may prefer one form over another based on personal preference, convenience, or other factors. It is important to choose a form that is easy to take and that you are comfortable with.

  • Potassium content: The amount of potassium in a potassium supplement can vary widely. It is important to choose a supplement that provides the right amount of potassium for your needs. If you are unsure how much potassium you need, you should consult with your healthcare provider.

  • Other ingredients: Potassium supplements may contain other ingredients, such as fillers, binders, and other additives. These ingredients can affect the potency and effectiveness of the supplement. It is important to choose a potassium supplement that contains only the necessary ingredients and does not contain any unnecessary additives.

  • Quality and purity: The quality and purity of a potassium supplement can vary greatly. It is important to choose a high-quality supplement that is free from contaminants and impurities. A reputable brand and a third-party certification, such as a Good Manufacturing Practices (GMP) certification, can provide assurance of the quality and purity of the supplement.

  • Cost: The cost of potassium supplements can vary depending on the type, amount, and quality of the supplement. It is important to choose a supplement that is affordable and that provides value for money.

Conclusion

In conclusion, choosing the right potassium supplement is important for maintaining good health and proper body function. Potassium supplements are available in a variety of forms, and it is important to choose a form that is suitable for your needs. The amount of potassium in a supplement can vary, and it is important to choose a supplement that provides the right amount of potassium for your needs. Other factors, such as quality, purity, and cost, are also important considerations when choosing a potassium supplement. By considering these factors, you can choose a potassium supplement that is safe, effective, and suitable for your needs.

Frequently Asked Questions (FAQs)

1. Is it a good idea to take a potassium supplement?

Taking a potassium supplement can be beneficial for individuals who have low potassium levels due to their diet or certain medical conditions. While a balanced diet typically provides enough potassium, supplements may be necessary in certain cases to maintain good health.

2. Is it OK to take a potassium supplement daily?

Taking a potassium supplement daily is generally safe for most people when the recommended dosage is not exceeded. However, some individuals may experience stomach upset, nausea, diarrhea, vomiting, or intestinal gas. It is important to follow the recommended dosage and consult a healthcare professional if any adverse effects occur.

3. What is the best form of potassium supplement to take?

Potassium chloride and potassium gluconate are commonly used as potassium supplements. Potassium gluconate has a high absorption rate and is suitable for quick demands, such as leg cramps or blood pressure control. Potassium chloride may be prescribed by a doctor to treat low potassium levels. The choice of the supplement depends on individual needs and medical advice.

4. What does taking potassium do to your body?

Potassium plays a vital role in maintaining normal fluid levels inside our cells and supporting muscle contraction. It also contributes to maintaining normal blood pressure. Potassium can be obtained naturally from foods or through supplementation if needed.

5. Is there a downside to taking potassium?

While potassium supplements can be beneficial, older adults should consult their doctors before taking them. Possible side effects include diarrhea, stomach irritation, nausea, muscle weakness, slowed heart rate, and abnormal heart rhythm, especially at higher doses. It is important to use potassium supplements under medical guidance.

Editor's Notes

During our potassium supplement research, we found 24 potassium supplement products and shortlisted 10 quality products. We collected and analyzed 192,880 customer reviews through our big data system to write the potassium supplements list. We found that most customers choose potassium supplements with an average price of $14.39.

The potassium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of potassium supplements, including Nature Made, Nature's Bounty, Life Enhancement, Nutricost, Pure Encapsulations. 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.

Potassium Supplements Comparison Table

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Brand Nature Made Nature's Bounty Life Enhancement Nutricost Pure Encapsulations Nature Made P Puregen Labs HEALTH LFE THORNE Life Enhancement
Item Form Tablet Caplet Capsule capsules Capsule Tablet Capsule Capsule capsules Capsule
Primary Supplement Type Potassium Potassium Potassium Potassium Potassium Potassium POTASSIUM BICARBONATE Potassium Magnesium Potassium
Unit Count 100 Count 100 Count 240.0 Count 500 Count 180.00 Count 100 Count 240.0 Count 120 Count 90.0 Count 120.00 Count
Flavor No Artificial Flavors Unflavored Potassium Basics Unflavored Unflavored Unflavored Unflavored Unflavored Unflavored Potassium Basics Cardio
FTB Score
ftb score rating icon 9.9
ftb score rating icon 9.8
ftb score rating icon 9.6
ftb score rating icon 9.4
ftb score rating icon 9.4
ftb score rating icon 9.3
ftb score rating icon 9.3
ftb score rating icon 9.1
ftb score rating icon 9.0
ftb score rating icon 8.8
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