As a teenager school athletes, your body already requires more fuel simply due to the natural growth process experienced at this time in your life. Add the intense weight training and often times, sport specific activities and your protein requirement is much higher than that of a sedentary adult.As a school athletes , you should know that protein is the most important macro nutrient. Carbs and fats can often be manipulated whether trying to lose or gain weight, yet protein always stays high. While you should already be consuming adequate protein from your diet, protein powders help greatly to ensure you reach that daily protein intake. You are most probably aware of the small period of time directly after a workout in which it is advised that protein be consumed. This is where most people take advantage of protein powders. Having protein in a liquid form allows for faster digestion, meaning you put a halt to the muscle breakdown occurring post workout, as well as sparking the recovery and growth process.