Try number two otherwise I can't exactly help...
Yes and no. Your body lives off of energy. We get that energy from food. And water. Food contains vitamins and food gives us energy (as said above). If you take extra vitamins your body will feel more awake because of that extra "boost."
Answer:
most Americans eat enough protein
Answer:
profit
Explanation:
without ads they would not be able make any money
Practice longer routes during practice, some weight training