July 21, 2025

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10 Best potassium supplements of 2025

Save up to 42% off

Best Choice

1

NaturalSlim
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
Main highlights

Absorbable Potassium for Balance
Contains potassium citrate for optimal absorption, supporting electrolyte balance and metabolism.

Ideal for Metabolic Boost
Perfect for those seeking to enhance metabolism and reduce acidity.

Praised for Body Balance
Customers love its ability to maintain bodily balance and well-being.
Key specs
- Form:Capsules
- Gluten-Free:N/A
- Potassium Content:Potassium citrate
- Capsules per Bottle:N/A
- Serving Size:N/A
9.7

Exceptional

Our Rating

9.9
simple to consume

9.9
quality of ingredients

9.9
Flavor
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Life Enhancement
Life Enhancement Potassium Supplement, 1020 mg,120 Servings, 240 caps
Main highlights

Potent Daily Support
Provides 1020 mg of potassium per serving for enhanced health.

Convenient Dosage
Ideal for individuals seeking easy-to-swallow capsules for daily intake.

Highly Concentrated Formula
Praised for concentrated dosage, reducing the need for multiple capsules.
9.6

Exceptional

Our Rating

9.5
quality of ingredients

9.1
simple to consume

8.9
worth the money
3

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

27% Off
Main highlights

Heart, Nerve, Muscle Support
Nature Made Potassium Gluconate supports heart, nerve, and muscle function.

Ideal for Heart Health
Perfect for individuals seeking to maintain healthy heart function.

Highly Recommended
Praised for being a necessary supplement by many users.
9.5

Excellent

Our Rating

9.3
simple to consume

9.3
worth the money

9.1
Flavor
4

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

42% Off
Main highlights

Essential Mineral Support
Potassium citrate aids electrolyte balance, muscle contraction, and heart health with high bioavailability.

Ideal for Active Lifestyles
Supports athletes and active individuals in maintaining electrolyte balance and muscle function.

Customer Praised Quantity
Customers appreciate the large bottle size and quick delivery.
Key specs
- Form:Capsules
- Gluten-Free:Yes
- Potassium Content:Potassium citrate
- Capsules per Bottle:N/A
- Serving Size:N/A
9.3

Excellent

Our Rating

9.7
simple to consume

9.7
quality of ingredients

9.5
worth the money
5

Nature's Bounty
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

12% Off
Main highlights

Essential Mineral for Health
Potassium is vital for fluid balance and heart function.

Ideal for Daily Supplement Use
Perfect for individuals seeking to maintain mineral balance.

Praised for Easy Consumption
Customers appreciate its easy-to-swallow vegetarian caplet form.
9.2

Excellent

Our Rating

9.9
simple to consume

9.9
Flavor

9.9
worth the money
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6

Nutricost
Nutricost Potassium Citrate 99mg, 500 Capsules
Main highlights

99mg Potassium Per Capsule
Each capsule provides 99mg of elemental potassium for optimal support.

Ideal for Muscle Health
Perfect for preventing muscle cramps and maintaining electrolyte balance.

Highly Recommended Value
Customers praise the cost-effectiveness and high capsule count.
Key specs
- Form:Capsules
- Gluten-Free:Yes
- Potassium Content:99mg per capsule
- Capsules per Bottle:500
- Serving Size:1 capsule
9.1

Excellent

Our Rating

9.7
worth the money

9.5
simple to consume

9.3
Flavor
7

Pure Encapsulations
Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 90 Capsules
Main highlights

Essential Electrolyte Support
Potassium Citrate supports nerve, muscle function, and heart health.

Ideal for Daily Supplementation
Great for individuals needing extra potassium for cardiovascular and kidney support.

Highly Praised Capsule Size
Small, easy-to-swallow capsules with a higher potassium content.
Key specs
- Form:Capsules
- Gluten-Free:Free from allergens
- Potassium Content:Potassium Citrate
- Capsules per Bottle:N/A
- Serving Size:N/A
8.9

Very Good

Our Rating

9.7
worth the money

9.5
simple to consume

9.3
Flavor
8

THORNE
THORNE Potassium Citrate - Highly-Absorbable Potassium Supplement for Kidney, Heart, and Skeletal Support* - 90 Capsules
Main highlights

Key Benefits Summary
Supports skeletal, cardiovascular, and urinary health with pure ingredients.

Ideal Use Cases
Perfect for those needing daily potassium for muscle and heart support.

Praised Feature
Noted for quality and effectiveness in customer reviews.
Key specs
- Form:Capsules
- Gluten-Free:Yes
- Potassium Content:N/A
- Capsules per Bottle:N/A
- Serving Size:N/A
8.8

Very Good

Our Rating

9.7
simple to consume

9.3
Flavor

8.4
worth the money
9

Country Life
Country Life Target Mins - Calcium Magnesium Potassium Bone & Heart Health Supplement, 1000mg Calcium, 500mg Magnesium, Supports Calcium Utilization, 180 Tablets – Certified Gluten Free & Vegan
Main highlights

Bone and Heart Health Support
Formulated with calcium, magnesium, and potassium to support bone and heart health.

Ideal for Busy Lifestyles
Perfect for those seeking a convenient, comprehensive supplement in one pill.

Praised for Convenience
Customers appreciate the convenience of three essential minerals in one large pill.
8.5

Good

Our Rating

9.5
worth the money

9.1
Absorbency

8.7
Flavor
10

Life Extension
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
Main highlights

Supports Cardiovascular Health
Combines potassium and magnesium for heart health and blood pressure support.

Ideal for Blood Pressure Support
Great for individuals looking to maintain healthy blood pressure levels.

Reduces Leg Cramps
Customers appreciate its effectiveness in alleviating leg cramps.
8.4

Good

Our Rating

8.7
worth the money

8.4
simple to consume

8.0
Flavor

10 Best potassium supplements of 2025

1

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

9.9

9.9

9.9

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.5

9.1

8.9

3

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

9.3

9.3

9.1

4

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

9.7

9.7

9.5

5

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

9.9

9.9

9.9

6

Nutricost Potassium Citrate 99mg, 500 Capsules

9.7

9.5

9.3

7

Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 90 Capsules

9.7

9.5

9.3

8

THORNE Potassium Citrate - Highly-Absorbable Potassium Supplement for Kidney, Heart, and Skeletal Support* - 90 Capsules

9.7

9.3

8.4

9

Country Life Target Mins - Calcium Magnesium Potassium Bone & Heart Health Supplement, 1000mg Calcium, 500mg Magnesium, Supports Calcium Utilization, 180 Tablets – Certified Gluten Free & Vegan

9.5

9.1

8.7

10

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

8.7

8.4

8.0

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