Best Liquid Potassium Supplements of 2026

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

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Liquid potassium supplements are a convenient and effective way to ensure that your body is getting the potassium it needs to function properly. Potassium is an essential mineral that plays a vital role in maintaining healthy blood pressure, nerve function, and muscle contraction. These supplements come in liquid form, making them easy to add to your favorite beverages or smoothies. They are also quickly absorbed by the body, ensuring that you get the maximum benefit from each dose. Whether you are an athlete looking to improve your performance or simply looking to maintain your overall health, liquid potassium supplements are a great choice.

At a Glance: Our Top Picks

Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets Cover #TOP 1
Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets
ftb score rating icon 9.9
NOW Supplements Potassium Citrate Capsules Cover #TOP 2
NOW Supplements Potassium Citrate Capsules
ftb score rating icon 9.8
Nature Made Potassium Gluconate 550 mg Cover #TOP 3
Nature Made Potassium Gluconate 550 mg
ftb score rating icon 9.6

Top 10 Liquid Potassium Supplements

Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets

Nature's Bounty Potassium Gluconate 99 mg, 100 Caplets Cover
Nature's Bounty Potassium 99mg, Supports Fluid Balance and Muscle Activity, Involved in Normal Heart Function, Potassium Gluconate Dietary Supplement, Gluten Free, 1 Per Day, 100 Vegetarian 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
Improves sleep quality
Reduces muscle cramps
Effective for nighttime relief

NOW Supplements Potassium Citrate Capsules

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NOW Supplements Potassium Citrate Capsules Cover
NOW Foods Supplements, Potassium Citrate 99 mg, Supports Electrolyte Balance and Normal pH*, Essential Mineral, 180 veg Capsules

Get your essential mineral with NOW Supplements Potassium Citrate Capsules. This supplement supports electrolyte balance and normal pH, critical for maintaining fluid levels, acid-base balance, muscle contraction, healthy heart function, and nerve impulses. The well-absorbed and highly bioavailable form of potassium comes in 180 veg capsules, and is kosher, soy-free, vegan, nut-free, gluten-free, dairy-free, and egg-free. NOW is a family-owned and operated company since 1968, assuring quality with NPA A-rated GMP certification. Take 1 capsule 1 to 5 times daily with food.

What We Like
High quality and consistent
Effective for muscle cramps
Affordable price
Easy to swallow capsules
Supports workout recovery

Nature Made Potassium Gluconate 550 mg

Nature Made Potassium Gluconate 550 mg Cover
Nature Made Potassium Gluconate 550 mg, Potassium Supplements, 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
Effective for muscle cramps
Easy to swallow tablets
Affordable price
Gentle on stomach
USP verified quality
#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
Leg cramp relief
Muscle recovery support
Gentle on stomach
Long-lasting supply
Affordable and cost-effective
#TOP 5

Micro Ingredients Hydration Electrolyte Powder

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Micro Ingredients Hydration Electrolyte Powder Cover
Micro Ingredients Electrolyte Powder, 2 lbs (139 Servings) | Lemon Raspberry Flavor | High Potassium (1,000mg) + Coconut Water & Real Lemon Juice | No Sugar, Keto Friendly | Non-GMO

Micro Ingredients Electrolyte Powder offers a refreshing lemon raspberry flavor while providing essential hydration. Each serving contains no sugar or calories, making it a guilt-free option for those looking to stay hydrated. With 1,000mg of potassium per scoop, this powder helps maintain electrolyte balance and supports muscle health, especially during strenuous activities or hot weather. The formula is crafted from natural coconut water and real lemon juice, ensuring you get the benefits of real ingredients without any fillers. This product is also non-GMO and free from common allergens, making it a safe choice for everyone.

What We Like
High potassium content
Clean ingredients
Zero sugar, zero calories
Long-lasting quantity
Easy to mix

Life Enhancement Potassium Supplement

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Life Enhancement Potassium Supplement Cover
Life Enhancement High Absorption Potassium Supplement for Muscle, Brain & Bone Health - No Additives High Potency Elemental Potassium Supplement is Made in USA (240 Capsules – 120 Servings)

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
Relieves muscle cramps
Supports normal blood pressure
No additives or fillers
Easy-to-swallow capsules
Made in the USA

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
Affordable price
Fast shipping
Relieves leg cramps
Reduces fatigue
Better than store options
#TOP 8

NaturalSlim Kadsorb Natural Potassium Citrate Supplement

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NaturalSlim Kadsorb Natural Potassium Citrate Supplement Cover
NaturalSlim Natural Potassium Citrate Gluconate 99 mg - Kadsorb Supports Electrolyte Balance & Normal pH - Absorbable Potassium Supplements with Essential Minerals - Non GMO 400 Capsules 1 Pack

NaturalSlim Kadsorb Natural Potassium Citrate Supplement is a unique and absorbable type of potassium citrate that helps to reduce acidity and supports electrolyte balance and normal pH. It helps to speed up your metabolism, keeps bodily systems in good condition, and supports your blood, bone, and muscle. You can pair it with magnesium supplements for extra health benefits. With 99mg and 400 capsules, this non-GMO and gluten-free supplement is a great source of essential macrominerals for your health.

What We Like
Easy to swallow capsules
No unpleasant aftertaste
Clear dosage instructions
Natural and well-packaged
Supports electrolyte balance

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
No additives
Effective muscle cramp relief
Easy to swallow
Better absorption
Affordable price

Vykee Nutrition Potassium Citrate 500mg Capsules

Vykee Nutrition
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Vykee Nutrition Potassium Citrate 500mg Capsules Cover
Vykee Nutrition Potassium Citrate Capsules - Supplements for Electrolyte Balance, Muscle & Heart Health - Vegan, Non-GMO, Gluten Free - 500 mg, 120 Count

Vykee Potassium Citrate helps you maintain a healthy heart and steady energy levels by providing 500 mg of potassium per serving, which is essential for both men and women. It supports your muscles by aiding in proper contraction and relaxation, which can reduce leg cramps and improve recovery after workouts. This supplement also helps keep your body's electrolyte and fluid balance in check, promoting better hydration and endurance throughout the day. Made with a clean formula, Vykee Potassium Citrate is vegan, gluten-free, and non-GMO, giving you a pure product without unnecessary fillers or artificial ingredients.

What We Like
Reduced muscle cramps
Improved sleep quality
Easy-to-swallow capsules
Fast delivery
Affordable for seniors
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Frequently Asked Questions (FAQs)

1. Is there a liquid potassium you can take?

This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood. A normal level of potassium in the blood is important. Potassium helps your cells, kidneys, heart, muscles, and nerves work properly.

2. Is liquid potassium over the counter?

Over-the-counter potassium supplements come in several forms – liquid, granule, powder, tablet and capsule. The proper way to take the supplement depends on the form, as well as the type of supplement. Liquid potassium should be diluted in at least 4 ounces of juice or water.

3. Is liquid potassium good for you?

Summary. Potassium is a mineral that supports many body functions, including circulatory, nerves, and muscles. There is evidence that potassium may reduce the risk of high blood pressure, stroke, diabetes, and kidney stones.

4. What is the best form of potassium to take?

The best potassium supplement depends on what it's being used for. In general, potassium chloride works well and is the most common supplement for treating hypokalemia, says Maria DeVita, MD, chief of nephrology at Lenox Hill Hospital in New York City.

Editor's Notes

During our liquid potassium supplement research, we found 24 liquid potassium supplement products and shortlisted 10 quality products. We collected and analyzed 385,744 customer reviews through our big data system to write the liquid potassium supplements list. We found that most customers choose liquid potassium supplements with an average price of $15.29.

The liquid potassium supplements are available for purchase. We have researched hundreds of brands and picked the top brands of liquid potassium supplements, including Nature's Bounty, NOW Foods, Nature Made, Nutricost, Micro Ingredients. The seller of top 1 product has received honest feedback from 384 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.