The optimal protein intake and the best sources of protein are by various factors, such as age, weight, activity level, and health status. Experts generally recommend a minimum of 0.8 grams of protein per kilogram of body weight per day, which is to approximately 7 grams per 20 pounds of body weight. However, higher protein consumption may be beneficial for some individuals, particularly engage in intense workouts and strength training. A high-protein diet can be characterized as consuming more than 22 percent of the total caloric intake from protein, or more than 1.2 grams of protein per kilogram of body weight per day. Protein can be from both animal and plant sources. It is essential to select a variety of protein foods to achieve a balanced intake of amino acids, the blocks of protein. Additionally, sufficient intake of fruits, vegetables, and whole grains is important, as they provide fiber, vitamins, minerals, and antioxidants that are vital for health.