Two-hundred calories coming from a handful of gummy worms does not have the same metabolic effect as two-hundred calories coming from spinach. The way food is metabolised in our bodies has much more to do with the nutrient composition than it does caloric value. Our body wants to break it down and get it out. What this means is as soon as you have a drink, your liver will start breaking down the alcohol (otherwise known as ethanol), and as a result, your body will use the by-products of ethanol for fuel over everything else.
Dietary and lifestyle concerns change as a person ages, but the core vitamins and minerals that can help with exercise performance will benefit a person of any age. Young people engaging in regular physical activity should ensure that they have a healthy diet rich in vitamins and minerals that will help their bodies perform and recover optimally.