Question: how many calories should a 23 year old man eat a day?
Answer: Sedentary males' daily recommended caloric intake peaks at 2600 calories around age 19-20 years old. Then, it decreases to 2400 calories a day from ages 21 through 24 years. However, moderately active teen boys between the ages of 12-13 years need about 2200 calories per day.