aka the presence of potassium in the blood, an outdated term it is the basis for terms describing deviation from potassium balance:
hypokalemia, too little potassium
hyperkalemia, too much potassium
Adults require approximately 4.7 grams of potassium per day in their diet - foods include bananas and other fruits, root veggies, vine-grown foods, tubers, legumes, leafy greens, and dairy products.
|Potassium in element form, by W. Oelen, Wikimedia|
|Potassium in food form, banana chips|