A high-protein diet emphasizes increasing protein intake to support muscle growth, weight loss, and overall health. It typically includes foods like lean meats, fish, eggs, dairy products, legumes, and plant-based protein sources while reducing carbohydrates and fats to varying degrees. This diet helps in boosting metabolism, reducing appetite, and preserving muscle mass during weight loss. It’s popular among athletes, bodybuilders, and those looking to improve body composition. However, the balance of nutrients is key to ensure overall health, and long-term adherence should be monitored to avoid excessive intake of unhealthy fats or processed proteins.