What is a safe or normal potassium level? A typical potassium level for adults is between 3.5 and 5.0 millimoles per liter (mmol/L). Hyperkalemia occurs when potassium levels go above 5.5 mmol/L. A …

Feb 25, 2024 · Kidney disease is a common cause of a high potassium level. Either high or low potassium levels can cause heart problems. Low potassium can cause muscle cramps.

Jul 23, 2025 · Potassium helps your nerves and muscles, including your heart, work the right way. But too much potassium in your blood can be dangerous. It can cause serious heart problems. Many …

Normal potassium levels are usually between 3.5 mEq/L and 5.5 mEq/L. High or low potassium levels can lead to varying complications, as outlined below. High potassium levels is also called hyperkalemia.

2 days ago · Most adults need around 3,500–5,000 mg of potassium daily to help lower blood pressure. Foods like tomatoes, potatoes, and squash are good sources of the nutrient.

Jun 25, 2025 · For adults, a normal blood potassium level falls between 3.5 and 5.2 milliequivalents per liter (mEq/L), which is equivalent to 3.5 to 5.2 millimoles per liter (mmol/L). These values represent …

Dec 19, 2025 · Potassium helps regulate important body functions like muscle contractions and heartbeats. High or low levels of potassium can indicate health problems like heart failure or kidney …