Dr. Anastasia Searcy, DO is a family medicine specialist in Vermillion, SD and has been practicing for 8 years. She graduated from Des Moines Univ Coll Of Osteo Med & Surg in 2007 and specializes in family medicine.
Most of these calories should come from nutritious foods rather than snack foods and fast food so their growing bodies are fueled healthfully. Boys between the ages of 11 and 13 need 1,800 to 2,600 calories per day while boys ages 14 to 18 need between 2,200 to 3,200 calories per day.
According to theory, your teen will gain one pound of weight by consuming around 3,500 calories (6). On an average, your teenage girl needs 1,600 to 1,800 calories per day, while your boy will need between 2,000 and 2,400 calories per day if they mostly have a sedentary lifestyle (7). Roughly, one to two pounds per week is an ideal number for healthy weight gain in teens.