How Much Potassium is 40 in a Banana? Unpacking the Nutrient vs. Isotope
•
4 min read
A medium banana contains around 422–450mg of total potassium, representing a significant portion of your daily needs. The reference to '40' often pertains to the potassium-40 isotope, a completely harmless, trace radioactive component. This article explores both the nutritional value and the scientific curiosity behind how much potassium is 40 in a banana.