Excellent performance and proper training are the essentials of sports performance. Sports nutrition is a very challenging field of nutritional practice with practical exposure on providing the fuel for physical activity. This chapter emphasizes on the fact that eating is a necessity but eating healthy is an art. It discusses on the role of nutrition in sports performance. It helps to understand the importance of protein in an athlete’s diet. This chapter explores the nutritional challenges in pre, during and post competitions and critically evaluates the nutritional supplements and ergogenic aids on the performance of athletes.