A protein smoothie is a blended drink that combines various ingredients to provide a rich source of protein. Common components include protein powder, fruits, vegetables, and liquids like milk or water. These smoothies are popular among athletes and fitness enthusiasts for their ability to support muscle recovery and growth. To make a protein smoothie, you typically blend your chosen ingredients until smooth. Many people customize their smoothies by adding extras like nut butter, seeds, or yogurt for added flavor and nutrition. They are convenient, nutritious, and can be enjoyed as a meal replacement or snack.