Potassium deficiency and excess – causes and symptoms

Potassium is one of the most essential elements necessary for survival, as it is an electrolyte. It is found inside every cell in the body, and its normal serum level ranges from 3.5 to 5.0 mmol/L. Both potassium deficiency and excess are common enough that it’s worth knowing how they manifest. Who is most at risk of having too low or too high potassium levels? What symptoms should you watch out for? When should you take potassium supplements?

Natalia Goździak

Master of dietetics, specialist in dietoprophylaxis and dietotherapy

Copywriter - dietitian. She completed her bachelor's degree in sports dietetics at the Academy of Physical Education in Poznań, while her master's degree in dietoprophylaxis and dietotherapy - at the UP in Poznań. She treats the principles of healthy eating primarily as valuable tips, not rigorous regulations, that must be strictly followed. Privately, she is passionate about photography, which cannot imagine life without books.