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January 21, 2023 3 min read

Potassium is a vital mineral that plays a key role in maintaining the proper function. It is essential for maintaining fluid balance, muscle and nerve function, and cardiovascular health.

WikipediaIt was first isolated from potash, the ashes of plants, from which its name derives. In the periodic table, potassium is one of the alkali metals

Athletes and active individuals need to be especially mindful of their potassium intake, as this mineral is crucial for optimal sports performance.

TrainingPeaksPotassium is the most abundant positively charged ion in intracellular fluid (i.e., the fluid inside our cells), followed by magnesium. It plays a role in several bodily functions, including regulating fluid balance, facilitating the transmission of nerve signals, and assisting in muscle contractions.

Healthline: When you exercise, your muscles lose potassium. This creates a substantial rise in blood potassium levels. For most people, the kidneys filter out the extra potassium fairly quickly, and potassium levels return to normal within a few minutes of rest.

Maintaining Fluid Balance

Potassium helps to regulate the balance of fluids in the body, which is essential for maintaining proper hydration. When the body is dehydrated, it can lead to a decrease in blood volume, which can in turn affect the delivery of oxygen and nutrients to the muscles. This can result in fatigue, cramping, and a decrease in athletic performance.

Runners World: "Think of it as the gatekeeper for fluid movement in and out of the body's cells," says Lisa Dorfman, R.D., a sports nutritionist at the University of Miami's athletic department

VeryWellFit: Running for an hour or longer: If you are running for an hour or more, you may benefit from electrolyte supplements that contain carbohydrates and the electrolytes lost in sweat—sodium, potassium, magnesium, and calcium. 

Here is our article about the Top 10 Supplements for Endurance Athletes.

Supporting Muscle Function

Potassium helps to transmit nerve impulses, which are necessary for muscle contraction and relaxation. Adequate potassium intake can help to prevent muscle cramping, weakness, and fatigue. This is particularly important for athletes and active individuals, who rely on their muscles to perform at a high level.

Here is our article about Athletes and Muscle Cramps.

InsideTracker: Because you lose potassium through sweat and urination, you need to be consuming these potassium-rich foods each day, especially if you’re an athlete. Low potassium levels can reduce your energy and endurance.
OutsideOnline: They (marathon runners) also took in significantly more calories (mainly due to greater consumption of fats), potassium, magnesium, and fiber.

Promoting Cardiovascular Health

Potassium helps to regulate blood pressure, which is essential for preventing heart disease and stroke. Adequate potassium intake can also help to prevent the formation of blood clots, which can lead to heart attacks and strokes.

Wikipedia: Potassium ions are vital for the functioning of all living cells. The transfer of potassium ions across nerve cell membranes is necessary for normal nerve transmission

Athletes and active individuals need to be especially mindful of their potassium intake, as this mineral is crucial for maintaining a healthy heart and cardiovascular system.

Avocado's are Rich in Potassium, WebMD: One creamy, green berry (yes, it's really a berry!) has about 975 milligrams of potassium, twice as much as a sweet potato or banana. Potassium is important because it helps your muscles work and keeps your heart healthy. So swap out mayo on a sandwich with mashed avocado, or slice one onto your salad to help keep muscle cramps away.

Here is our article about Magnesium and Athletes.

Improving Recovery and Reducing Injury Risk

Potassium is also important for recovery and injury prevention. Adequate potassium intake can help to reduce inflammation and swelling, which can speed up the healing process.

InsideTracker: Bananas are a great source of potassium which helps to promote muscle recovery. Fresh fruits, especially citrus and melons, and vegetables, especially leafy greens and broccoli, are also rich in potassium.


Potassium is a vital mineral that plays a crucial role in maintaining the proper function of the human body. Athletes and active individuals need to be especially mindful of their potassium intake, as this mineral is crucial for optimal sports performance.

By maintaining fluid balance, supporting muscle function, promoting cardiovascular health, and improving recovery, potassium can help to ensure that you can perform at your best.

Beetroot Pro® contains a healthy dose of BCAAs, Magnesium, and Potassium.

FDA Disclosure: 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.

It is recommended to consult with a healthcare professional before taking any dietary supplement especially if you have any medical condition, pregnant, breastfeeding or are on any medication.

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