With little fat and carbs, you can get a significant amount of protein from a whey concentrate protein powder. Numerous studies suggest that this type of powder is useful not only for building muscle but also for losing weight. What’s more, whey concentrate protein powder mixes well with many other substances and comes in a variety of tasty flavors. As any nutritionist or fitness expert would tell you, however, some protein powders are better for you than others. For example, there are protein powders with so much sugar that you’d end up negating a lot of the health benefits by eating it.