Q.How about dairy products? A.Dairy products are an excellent source of carbohydrates,fats and protein.All the protein you need can be supplied by milk.The warning is that you don't need all that fat in milk.you may solve that by drinking skim milk or powdered milk. Q.Should one take more vitamins when exercising? A.There's only one vitamin whose requirement is increased significantly with exercise,and that's thiamine. 别Q. How about dairy products? A. Dairy products are an excellent source of carbohydrates, fats and protein. All the protein you need can be supplied by milk. The warning is that you don’t need all that fat in milk.you may solve that by drinking skim milk or powdered milk. Q. Should one take more vitamins when exercising? A. There’s only one vitamin whose requirement is increased significantly with exercise, and that’s thiamine