Once thought of as a supplement only for bodybuilders, protein powders are now gaining popularity among the growing number of people who love to work out, replenishing their protein and improving their health at the same time. In fact, the potential benefits of protein powder extend far beyond the gym. Studies have shown that this superstar supplement is more than helpful in everything from improving skin health to boosting the immune system. Produced from both plant and animal sources, protein powders are now available in many types and can be adapted to suit any diet plan, taste or personal preference. So, what are the best protein powders and how do they affect your health? Let's break it down. What is a protein powder? Rotein powder is a common supplement that provides concentrated dietary protein from both plant and animal sources. Popular protein powders on the market today include whey, casein, hemp and bone broth protein powders. Most people take protein powders to increase muscle mass and maximise fat burning, but for those who may struggle to meet their needs, such as vegetarians or the elderly, protein powders can also be an effective way to increase protein intake.