Protein supplements are products designed to provide a convenient source of protein, which is essential for building and repairing tissues in the body. They come in various forms, including powders, bars, and ready-to-drink shakes. Common sources of protein in these supplements include whey, casein, soy, and pea protein, catering to different dietary preferences and needs. Many people, including athletes and fitness enthusiasts, use protein supplements to help meet their daily protein requirements, especially when whole food sources are insufficient. While they can be beneficial for muscle recovery and growth, it's important to balance them with a healthy diet rich in whole foods to ensure overall nutrition.