Which is VPA® protein powder is best for me? Are you asking yourself this question? There are so many different protein powders. Isolate, concentrate, casein, protein blends, weight gainers. Don’t forget vegan friendly and plant based protein powders too! It can be pretty confusing to decide which protein best suits your diet and, more importantly, your goals. To help you out, we have created this easy to reference description of all of our protein powder options to help you decide which protein powder is best for you.