Active teenage boys typically need 2,400-3,200 calories per day, while active teenage girls need 2,000-2,400 calories. Calorie needs peak during growth spurts. These are general guidelines — activity level and growth rate cause significant variation.

Restrictive dieting is generally not recommended for teenagers as it can interfere with growth and development. Instead, focus on nutrient-dense foods, regular physical activity, and healthy eating patterns. Consult a pediatrician for concerns about teen weight.

Yes, growing teenagers need more protein relative to body weight than adults. About 0.5-0.7g per pound of body weight supports growth and development. Active teen athletes may need even more, up to 0.8g per pound.