Cow's milk is the nutritional gold standard. It provides a good amount of protein as well as a great source of Calcium, Vitamin D, Vitamin B12 and loads of other minerals, vitamins and nutrients. However, there are times when you can't digest or choose not to drink cow's milk. What then? Here's a look at the options out there and how to navigate this ever changing and increasing aisle of your grocery store. Remember that nutrition is only as good as it tastes, so if you don't like the taste of the milk substitute, you won't end up drinking it and all the nutrition in the world doesn't mean a thing if it only sits on a shelf in your fridge.