Top Potassium Supplement Brands: Discover the Health Elite

In an increasingly health-conscious world, finding the right potassium supplement can be a vital part of maintaining overall wellness. Ensuring adequate potassium intake is crucial as it plays a significant role in maintaining proper muscle function, nerve signaling, and fluid balance within the body. With myriad options on the market, selecting the most effective and reliable brands can be overwhelming for consumers aiming for quality and affordability. To assist you in making an informed choice, we have compiled a list of the best potassium supplement brands known for their efficacy and value in the sections below.

Illustration of potassium supplement

Best brands of potassium supplement in 2025

NOW Foods

NOW Foods is a leading brand in the potassium supplement market, known for its high-quality products that meet daily potassium requirements. Their sodium-free potassium chloride powder, for example, provides 365 mg or 8% of the daily value of potassium per 1/8 tsp serving. NOW Foods is one of the key players in a market anticipated to grow at a CAGR of 7.3% from 2024 to 2030, with the global market valued at $315 million in 2023 and projected to reach $511.3 million by 2030. Their supplements are available in various forms, including powder, tablets, and capsules, catering to different consumer preferences. NOW Foods' commitment to quality and variety makes it a trusted choice for those seeking potassium supplements.

Solgar

Solgar is a renowned brand in the health supplement industry, particularly noted for its high-quality potassium supplements. Their potassium supplements, available in 250-tablet containers, provide 99 mg of potassium per serving, which is 3% of the daily recommended value. These supplements support nerve and muscle function, promote electrolyte balance, and are free from gluten, wheat, dairy, and other common allergens, making them suitable for vegans and those with dietary restrictions. Solgar's products are part of a growing potassium supplement market, which is expected to reach $511.3 million by 2030, growing at a CAGR of 7.3% from 2024 to 2030. As a trusted brand, Solgar ensures its products are non-GMO and kosher, enhancing their appeal to a wide range of consumers.

Nature Made

Nature Made is a highly reputable brand in the dietary supplement industry, particularly known for its high-quality potassium supplements. Their Potassium Gluconate Tablets, each containing 550 mg of potassium gluconate which provides 90 mg of potassium, are designed to support heart health, nerve function, and muscle health. These supplements are gluten-free, have no artificial flavors or preservatives, and are verified by the United States Pharmacopeia (USP) for quality and potency. Nature Made is the #1 pharmacist-recommended vitamin and supplement brand, reflecting its trustworthiness and reliability. The global potassium supplement market, which includes Nature Made, is expected to grow at a CAGR of 7.3% from 2024 to 2030.

Pure Encapsulations

Pure Encapsulations is renowned for producing high-quality potassium supplements, particularly their Potassium Citrate product, which offers 200 mg of potassium per capsule, equivalent to 4% of the daily value. This supplement is vegan, vegetarian, gluten-free, GMO-free, and hypoallergenic, making it suitable for a wide range of dietary needs. It supports heart and bone health, aids in maintaining healthy pH levels, and promotes optimal cardiovascular functions. The capsules are free from unnecessary additives and fillers, ensuring a pure and potent formula. With a strong customer satisfaction record, Pure Encapsulations stands out as a trusted brand in the nutritional supplement industry.

Garden of Life

Garden of Life is a renowned brand for producing high-quality potassium supplements, emphasizing whole food ingredients and organic certifications. Their products are Certified USDA Organic, Non-GMO Project Verified, and free from artificial sweeteners, flavors, and fillers. Garden of Life's supplements are made from over 30 organic fruits, veggies, and herbs, ensuring a natural and wholesome approach to nutrition. The brand's commitment to clean and healthy products aligns with the needs of those seeking to boost their potassium intake without compromising on quality. For instance, their multivitamins and targeted nutrient formulas are designed to meet various nutritional needs, including potassium supplementation.

Jarrow Formulas

Jarrow Formulas is a renowned brand in the dietary supplement industry, particularly noted for its high-quality potassium supplements. Founded in 1977, the company has over 40 years of experience in developing innovative and efficacious formulations based on sound scientific research. Their potassium citrate supplements, such as the 99mg Potassium Citrate, are designed to aid in maintaining cellular tonicity and skeletal integrity. Jarrow Formulas' products are widely recognized for their effectiveness, with some formulations being the first of their kind in the market. The company's commitment to superior nutrition and formulation has earned it numerous awards and a global presence.

Thorne Research

Thorne Research is renowned for producing high-quality potassium supplements, particularly their Potassium Citrate, which is a highly absorbable form of potassium that supports heart and skeletal muscle function, as well as kidney and lower urinary tract health. This supplement alkalinizes the urine, inhibiting the growth of undesirable bacteria and promoting good kidney health. Thorne's commitment to quality is evident in their rigorous testing processes, including four rounds of testing, and their state-of-the-art manufacturing facility in Summerville, South Carolina. The company has seen significant growth, with a 27.7% year-over-year increase in net sales in 2022, reflecting their strong market presence. Thorne's products are trusted by athletes and health professionals alike, with certifications from prestigious organizations like NSF and the Therapeutic Goods Administration (TGA).

Swanson

Swanson Health Products is renowned for its high-quality potassium supplements, such as the Swanson Ultra Albion Potassium and Swanson Premium Potassium Gluconate, each providing 99 mg of elemental potassium per capsule, which is 2% of the daily recommended value. These supplements are formulated to support healthy blood pressure levels and are tested for purity, potency, and safety by both internal and third-party labs. Swanson's products are approved by their expert standards, ensuring top-notch quality for consumers. The company's commitment to wellness is evident in their rigorous testing and approval processes. As part of the growing potassium supplement market, which is expected to reach $511.3 million by 2030 with a CAGR of 7.3%, Swanson remains a trusted brand.

Life Extension

Life Extension is renowned for producing high-quality potassium supplements, particularly their Potassium with Extend-Release Magnesium formula, which combines immediate and extended-release magnesium with potassium to support healthy blood pressure already within the normal range. This dual-action supplement is optimized for both immediate and prolonged uptake, ensuring maximum health benefits. Studies have shown that daily potassium intake can significantly affect systolic blood pressure, with a randomized, double-blind, placebo-controlled study indicating a notable reduction in blood pressure readings within four weeks of supplementation. The formula is designed to address the common deficiency in potassium and magnesium, as dietary surveys consistently show that people consume substantially less potassium than recommended. This supplement is available in 60 vegetarian capsules, making it a convenient and effective choice for cardiovascular health.

Nutricost

Nutricost is a reputable brand known for producing high-quality potassium supplements, particularly their Potassium Citrate capsules, which provide 99mg of elemental potassium per serving, contributing to only about 2% of the Daily Value (DV) but ensuring easy absorption and support for heart health, muscle function, and electrolyte balance. Manufactured in a GMP-compliant, FDA-registered facility and third-party tested, these capsules are gluten-free and non-GMO, making them suitable for various dietary preferences. Each bottle contains 500 capsules, providing a large supply of this essential mineral. Despite the low percentage of DV, this supplement is crucial for individuals who struggle to get enough potassium through their diet alone. The product is backed by Nutricost's 60-day money-back guarantee, ensuring customer satisfaction.