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Many fruits and vegetables contain three important electrolytes -- calcium, potassium and magnesium. High-calcium fruits and vegetables include collard greens, spinach and turnip greens. Fruits and vegetables that are high in potassium include apricots, bananas, potatoes, kiwi, tomatoes and sweet potatoes.
Foods containing sodium and chloride include table salt, beef, pork, sardines, cheese, olives, corn bread and sauerkraut. All processed and canned foods made with added salt, such as deli meats, chips and other snacks, nuts, butter, margarine, mayonnaise and many condiments, have sodium and chloride.hoto Credit Jupiterimages/Photos.com/Getty Images. Sodium and chloride -- the two electrolytes that make up table salt -- are present in foods together and work in the body to maintain fluid balance for proper cell function.