Lunch and dinner tended to be the saltiest meals of the day, says the report. “Most sodium is already in food before you buy it or order it. About 65% comes from store foods, 13% from fast food and pizza restaurant foods, and 9% from school cafeteria food.†Parents and caregivers are urged to give kids plenty of fruit and vegetables, alongside wholesome, unprocessed foods as often as possible, the CDC says in a statement.