Old people have low potassium content, so they should pay attention to dietary supplement. Lack of potassium will make the elderly weak, and some people will have weak legs or can't move half their bodies. Although their minds are clear, they cannot be expressed in words.

Potassium is widely distributed in natural foods and is generally not lacking in daily diet. If the diet is unbalanced, people tend to eat meat, eggs, polysaccharides and salt, while eating less food, beans, vegetables and fruits, the intake of potassium will decrease. Unreasonable cooking, cooking stuffing into vegetable juice and eating vegetables to get soup, is equivalent to eating "low-potassium vegetables", and a lot of potassium is lost invisibly. Chronic diseases may lead to potassium malabsorption, diarrhea and vomiting, and some diuretics will make potassium lose too much. Potassium is needed for the formation of glycogen. When eating a lot of sugar, the concentration of potassium in the blood drops rapidly. Uncontrolled diabetics often lose a lot of potassium from urine, so they need to supplement potassium.

Foods with high potassium content include fresh broad beans, Malingbu, yam, spinach, amaranth, kelp, laver, black dates, apricots, almonds, bananas, walnuts, peanuts, mung beans, soybeans, mung beans, edamame, lamb loin and pork loin. High potassium diet is not suitable for everyone, acute and chronic renal insufficiency, oliguria or anuria, potassium can not be excreted in time; Shock or adrenal insufficiency can not only supplement potassium, but also control potassium intake.