In a human body potassium participates in process of conduction of nervous impulses, promotes correct activity of the brain, normalizes the heart rhythm. The main food sources of potassium are dried apricots, a melon, beans, a kiwi, potatoes all green vegetables with leaves, mint leaves, sunflower seeds. There are a lot of potassium in fish and dairy products. In general, potassium is a part of almost all plants. Apple cider vinegar and honey are champions on the content of potassium.