You take the standard deduction instead of deducting your actual personal expenses. The amount you are allowed to deduct depends on your filing status and is adjusted for inflation each year. Check the IRS website for the current year standard deduction amounts.
Protein in Milk. According to the U.S. Department of Agriculture's National Nutrient Database, 1 cup of nonfat milk contains 8.26 g of protein. The National Dairy Council states that this gives you 16 percent of your Daily Value, or DV, for protein.
One cup of skim milk provides 83 calories, 8 grams of protein, 12 grams of carbohydrate, 12 grams of sugar, and 0 grams of fat. One cup of 1 percent milk provides 102 calories, 8 grams of protein, 12 grams of carbohydrate, 13 grams of sugar, 2 grams of saturated fat and 2 grams of fat.