10 Best Potassium Supplements of 2026

Last updated on 04/04/2026
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Best Choice
1
9.7
Exceptional
Vykee Nutrition Potassium Citrate Capsules - Supplements for Electrolyte Balance, Muscle & Heart Health - Vegan, Non-GMO, Gluten Free - 500 mg, 120 Count
Vykee Nutrition

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

Why we love it
  • Supports muscle recovery effectively.
  • Promotes healthy hydration balance.
  • Crafted for purity and transparency.
Main Highlights
  • Supports Heart and Energy Balance - Vykee Nutrition potassium mineral supplements deliver 500 mg per serving to help maintain heart health and steady energy. An essential potassium for women and potassium for men to support daily vitality.
  • Promotes Muscle Function and Recovery - Helps support normal muscle contraction and relaxation for improved performance. Ideal potassium for leg cramps and post-workout recovery when combined with a healthy diet and exercise
  • Maintains Healthy Electrolyte Balance - This potassium supplement supports electrolyte and fluid balance to aid hydration, endurance, and cellular health. Helps regulate nerves and muscles for lasting performance.
  • Clean, Pure, and Tested Formula - Vykee potassium mineral supplements are vegan, gluten free, non GMO, and crafted in GMP certified facilities for purity and quality. No fillers or artificial ingredients.
  • Trusted Quality and Transparency - Each Vykee Nutrition bottle includes a QR code for ingredient sourcing and purity testing, ensuring you can trust your daily potassium supplement.
9.7
Exceptional
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.5
Superb
Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 180 Capsules
Pure Encapsulations

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

Why we love it
  • Supports cardiovascular and nerve health.
  • Promotes healthy electrolyte balance.
  • Free from allergens and GMOs.
Main Highlights
  • Potassium Citrate for Cardiovascular Function: Potassium is an essential mineral offering nutritional support for normal functioning of organ systems*
  • Heart Health Supplements: Potassium is essential for nerve support; contraction of cardiac, smooth, and skeletal muscles; and gastric secretion*
  • Potassium Citrate for Electrolyte Balance: Potassium works with sodium to maintain water balance, heart rhythm, nerve, and muscle function*
  • Nerve Health Supplement: Potassium supports important bodily functions such as nerve health, renal function, tissue synthesis, and carbohydrate metabolism
  • Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs
9.5
Superb
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3
9.4
Superb
Life Enhancement High Potency 1020 mg Potassium Supplement for Muscle, Brain & Bone Health - No Additives High Absorption Elemental Potassium Supplement, Made in USA (240 Capsules – 120 Servings)
Life Enhancement

Life Enhancement High Potency 1020 mg Potassium Supplement for Muscle, Brain & Bone Health - No Additives High Absorption Elemental Potassium Supplement, Made in USA (240 Capsules – 120 Servings)

Why we love it
  • Potassium supports overall health.
  • Convenient daily vegetable capsules.
  • Trusted brand with 25 years.
Main Highlights
  • PURE POTASSIUM SUPPLEMENT: Each serving contains 1020 mg 22% RDI Potassium (as potassium bicarbonate) in easy-to-swallow veggie capsules with less than 1% Vegatable based Magnesium Stearate. Each one of our potassium supplement capsules contains 510 mg of this essential nutrient for potent and powerful support.
  • POTASSIUM SUPPLEMENT: Potassium is one of the most important minerals in the body and most of us are not getting adequate amounts in our diets. Improving your potassium intake is a great way to support the complete health and total well-being of your entire body. It's a daily dose of potassium conveniently!
  • DAILY SUPPORT: Our potassium capsules are designed to improve your daily potassium intake, conveniently and easily. Our potassium capsules offer you simple and natural support for a healthier you.
  • A BRAND YOU CAN TRUST: Life Enhancement has been creating and manufacturing its products for over 35 years. Starting with DHEA in 1995, Life Enhancement has been the leader in introducing supplements to the market.
9.4
Superb
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4
9.2
Superb
Nutricost Potassium Citrate 99mg, 500 Capsules
Nutricost

Nutricost Potassium Citrate 99mg, 500 Capsules

Why we love it
  • High potassium content per capsule.
  • Quality tested for purity.
  • GMP compliant and FDA registered.
Main Highlights
  • Maximum Serving Size 99mg of Potassium (elemental) Per Capsule.
  • 500 Potassium Citrate Capsules Per Bottle.
  • Do not exceed recommended serving size.
  • Non-GMO, Gluten Free, Soy Free, 3rd Party Tested.
  • Manufactured in an NSF Certified, GMP Compliant, FDA Registered Facility. Lid May Be Blue or White.
9.2
Superb
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5
9.0
Superb
Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 90 Capsules
Pure Encapsulations

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

Why we love it
  • Supports heart health effectively.
  • Enhances electrolyte balance naturally.
  • Free from allergens and GMOs.
Main Highlights
  • Potassium Citrate for Cardiovascular Function: Potassium is an essential mineral offering nutritional support for normal functioning of organ systems
  • Heart Health Supplements: Potassium is essential for nerve support; contraction of cardiac, smooth, and skeletal muscles; and gastric secretion*
  • Potassium Citrate for Electrolyte Balance: Potassium works with sodium to maintain water balance, heart rhythm, nerve, and muscle function*
  • Nerve Health Supplement: Potassium supports important bodily functions such as nerve health, renal function, tissue synthesis, and carbohydrate metabolism
  • Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs
9.0
Superb
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6
8.9
Excellent
365 by Whole Foods Market, Sustained Release Potassium 99mg, Vegan, 250 Tablets
365 by Whole Foods Market

365 by Whole Foods Market, Sustained Release Potassium 99mg, Vegan, 250 Tablets

Why we love it
  • Certified Vegan for peace of mind.
  • Supports muscle health and balance.
  • Free from artificial additives.
Main Highlights
  • This is a placeholder
  • Certified Vegan
  • Supports healthy muscle function & a healthy electrolyte balance
  • Does not contain artificial colors, artificial flavors, or artificial preservatives
8.9
Excellent
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7
8.8
Excellent
Save 18%
Country Life Target Mins - Calcium Magnesium Potassium Bone & Heart Health Supplement, 1000mg Calcium, 500mg Magnesium, Supports Calcium Utilization, 180 Tablets – Certified Gluten Free & Vegan
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

18% Off
Why we love it
  • Supports heart health effectively.
  • Enhances calcium absorption efficiently.
  • Reduces osteoporosis risk significantly.
Main Highlights
  • Supports Bone Density & Muscle Function: Delivers 1000mg calcium, 500mg magnesium, and potassium in a balanced formula designed to support strong bones, muscle contraction, and healthy nerve impulses.*
  • Promotes Calcium Utilization & Absorption: Features a 2:1 ratio of calcium to magnesium and phosphorus, formulated with free-form amino acids to enhance nutrient absorption and calcium availability for optimal skeletal support.*
  • Cardiovascular & Blood Pressure Support: Magnesium and potassium help maintain healthy blood pressure levels already within the normal range and support heart muscle function and electrolyte balance.*
  • Clean, Responsible Formulation: Certified Gluten Free, Vegan, and Kosher—made without magnesium stearate, wheat, soy, milk, preservatives, or artificial colors. Manufactured using wind-powered renewable energy in recyclable packaging.*
  • At Country Life: We’ve been delivering trusted wellness solutions since 1971. Our Target-Mins formulas are rigorously tested for quality and are crafted to support your health with transparency, care, and integrity.*
8.8
Excellent
Save 18%
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8
8.7
Excellent
Potassium Magnesium Supplement, 1600mg Liposomal Magnesium Aspartate, Potassium Chloride, with Zinc, K2, Vitamin B1 for High Blood Pressure, Support Vascular, Bone & Leg Cramps, 120 Veg Capsules
Qmiozzy

Potassium Magnesium Supplement, 1600mg Liposomal Magnesium Aspartate, Potassium Chloride, with Zinc, K2, Vitamin B1 for High Blood Pressure, Support Vascular, Bone & Leg Cramps, 120 Veg Capsules

Why we love it
  • Increased absorption for better results.
  • Comprehensive formula for optimal health.
  • Natural ingredients for dietary needs.
Main Highlights
  • Absorption Rate Increased 83% - Qmiozzy uses high-quality α-amino acid chelated magnesium potassium aspartate, which has an high absorption than magnesium glycinate and magnesium citrate. It can increase magnesium levels in the body quickly, for lower blood pressure, vascular health, improve energy levels, and alleviate anxiety.
  • Newest Formula - Based on RDA, potassium chloride, magnesium aspartate, zinc, and multvitamins (K2 & B1) participate in multiple metabolic processes and work together to enhance energy metabolism and nutrient absorption. Qmiozy's scientific ratio of potassium magnesium zinc supplement is the recommended formula for most healthcare professionals.
  • Leading Liposomal & Chelation technology - Magnesium ions chelate with amino acids to form a stable structure, designed to support an appropriate pH value and protect it from the adverse effects of substances such as stomach acid in the digestive tract. Qmiozzy Liposomal technology involves encapsulating active ingredients within a lipid bilayer structure. Liposomes protect the encapsulated ingredients from degradation, improving their absorption and utilization in the body.
  • High-Quality Potassium and Magnesium Supplements - These minerals are extracted from plants such as bananas and oranges, non GMO, gluten free to meet your dietary preferences.
  • 60 Days Supply - 120 Capsules each bottle, providing a long 60 servings of potassium magnesium zinc. Added Vitamin K2 and Vitamin B1, you take less and absorb more with Qmiozzy formula. Simply take 2 capsules daily to support your health goals.
8.7
Excellent
Amazon Logo
9
8.7
Excellent
THORNE - Potassium Citrate - Essential Electrolyte Supplement for Muscle Function, Heart Health, Nerve Function & Urinary Tract Health Support* - Third-Party Certified - Gluten-Free - 90 Capsules
THORNE

THORNE - Potassium Citrate - Essential Electrolyte Supplement for Muscle Function, Heart Health, Nerve Function & Urinary Tract Health Support* - Third-Party Certified - Gluten-Free - 90 Capsules

Why we love it
  • Supports muscle function efficiently.
  • Promotes urinary tract health.
  • Trusted by professionals worldwide.
Main Highlights
  • Cardiovascular Health: Promotes healthy heart muscle function and helps maintain blood pressure levels already within a normal range*
  • Muscle Support: Essential mineral support for skeletal muscle function and contractability*
  • Urinary Health: Supports kidney and lower urinary tract health by alkalinizing the urine*
  • 3rd Party Contents Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label
  • Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
8.7
Excellent
Amazon Logo
10
8.7
Excellent
Save 18%
ikj Potassium Caplets Dietary Supplement Value Size, 99 Mg, 500 Count
ikj

ikj Potassium Caplets Dietary Supplement Value Size, 99 Mg, 500 Count

18% Off
Why we love it
  • Supports heart health naturally.
  • Free from allergens and additives.
  • Potassium-rich for dietary support.
Main Highlights
  • Formulated to support heart health when taken along with diet healthy in potassium*
  • No gluten, lactose, sugar, artificial colors or flavors
  • *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
8.7
Excellent
Save 18%
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Related Deals You Might Like for Potassium Supplements

📊We scanned 271 products
🔍
We reviewed the most relevant Potassium Supplements offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Vykee Nutrition, Pure Encapsulations, Life Enhancement, Nutricost, 365 by Whole Foods Market, Country Life, Qmiozzy, THORNE, ikj, known for dependable quality and smart design.
⭐
To determine today's best Potassium Supplements, we analyzed 1356 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Vykee Nutrition Potassium Citrate Capsules - Supplements for Electrolyte Balance, Muscle & Heart Health - Vegan, Non-GMO, Gluten Free - 500 mg, 120 Count

Our overall winner is Vykee Nutrition Potassium Citrate Capsules - Supplements for Electrolyte Balance, Muscle & Heart Health - Vegan, Non-GMO, Gluten Free - 500 mg, 120 Count by Vykee Nutrition. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Supports muscle recovery effectively.
✓Promotes healthy hydration balance.
✓Crafted for purity and transparency.
💎 Best Value
Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 180 Capsules

The best value for most shoppers is Pure Encapsulations Potassium (Citrate) - Essential Electrolyte Supplement to Support Nerve & Muscle Function, Adrenals, Hormones, Heart Health & Energy* - Potassium Citrate Capsule - 180 Capsules by Pure Encapsulations, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
ikj Potassium Caplets Dietary Supplement Value Size, 99 Mg, 500 Count

The strongest deal right now for Potassium Supplements is ikj Potassium Caplets Dietary Supplement Value Size, 99 Mg, 500 Count at ikj, currently at 18% off.

🔄Our Potassium Supplements ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.