Firstly, in order to get the amount of protein packed in two small scoops of powder, he would have to eat as much red meat as shown here. The time savings alone makes the purchase price of the powder worthwhile. Rather than exercising, spending time with his loving family, and making figurines out of elbow macaroni, Mike would need to spend hours eating beef.
Sure, he'll frighten his family and his chances of being hit by a meteorite will increase dramatically. But he'll be really cool and save a lot of money on beef purchases. And isn't that all that matters?