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.
Boys ages 14  18 Sedentary: 2,200 calories Moderately active: 2,400 to 2,800 Active: 2,800 to 3,200. As you can see the highest calorie intake needs are for the ages where you experience your growing spurts. The best person to consult with for your teen calorie intake is your doctor. Getting the Right Calories.