Is a pure protein powder or protein powder blend the best choice for you? What is the difference between them? Now, it’s important to note that when we say “protein blend” we are not talking about inferior products sold by some supplement companies. These poor quality products blend protein powder with fillers such a fibre and milk powder and they have a lower protein content than high quality protein powders. Read on to discover what a good quality protein blend powder is, and how it might benefit you.