Though Buttermilk and Whey Protein, both are Dairy products, there is some prominent difference between Buttermilk and Whey Protein. These differences are based on the preparation methods, storage conditions, nutritional value and the health benefits of Buttermilk and Whey Protein. These factors will help you decide a healthy Dairy product, for preparation, storage and consumption. Buttermilk vs Whey Protein facts, dictate the Similarities and Differences between Buttermilk and Whey Protein. You will get to know all these differences, in the most systematic format, sorted and arranged in the order of priority of information. This enables a better understanding of all the specifications for these Dairy products.