Collection: Potassium

What Is Potassium?

Potassium is an essential mineral and electrolyte that plays a key role in fluid balance, nerve signaling and normal muscle function. It helps maintain normal blood pressure and supports proper function of the heart and muscles. Potassium is naturally found in many foods, especially fruits and vegetables such as bananas, potatoes, spinach, beans and avocados. Because potassium is best obtained from food, supplements usually provide moderate doses and are often used alongside magnesium and other electrolytes for hydration and performance support.

Benefits of Potassium Supplements

Potassium contributes to normal muscle function and normal functioning of the nervous system. It also contributes to the maintenance of normal blood pressure. Potassium supplements are commonly used by people who sweat heavily during training, follow low-carb diets, or want extra electrolyte support during hot weather or intense activity. Potassium is often included in electrolyte powders and sports drinks to help support hydration and reduce the risk of muscle cramps related to electrolyte imbalance. The best results come from combining adequate potassium intake with overall balanced nutrition and sufficient fluid intake.

Uses of Potassium

Potassium supplements are typically taken according to the label instructions, often with food and water. They are available as tablets, capsules and electrolyte powders. Many people prefer electrolyte blends that combine potassium with sodium and magnesium, especially during endurance sports or sauna use. Because high-dose potassium supplements are not suitable for everyone, it’s important to choose an appropriate product and avoid stacking multiple potassium sources. On our category page you can explore different potassium and electrolyte products and choose the option that fits your routine.

Potassium: Side Effects and Safety

Potassium supplements can cause digestive discomfort such as nausea or stomach upset in some individuals, especially if taken on an empty stomach. High potassium intake can be dangerous for people with kidney disease or those taking certain medications (such as ACE inhibitors, ARBs or potassium-sparing diuretics), because it can lead to elevated blood potassium levels. People with heart or kidney conditions, those taking prescription medicines, as well as pregnant and breastfeeding women should consult a healthcare professional before using potassium supplements. Do not exceed the recommended dose on the label.

Where to Buy Potassium in Estonia?

In Estonia, potassium supplements and electrolyte products can be purchased from our e-shop fits.ee.