For people who are lactose intolerant or following a vegan diet, milk alternatives may be an important part of their diet.Take a look at the differences between the 1 cup of cow's milk and some of the popular alternatives in the chart below to see how they stack up. The most notable differences are in the protein & carbohydrate categories. If you have trouble getting enough protein in your diet, you may consider an alternative that has higher content. If you are looking to re