The nutritional approach to young athletes has the unique challenge of dealing with a growing individual. In addition, the young athlete has other physiological and metabolic characteristics that distinguish them from adults. These factors may interact with their overall nutritional needs for energy, macro and micronutrients, and fluids. Micronutrient deficiencies can affect physical performance and health. For the pediatric population, attention has been paid to calcium, vitamin D, iron, and sodium and, therefore, these are the elements are discussed in the chapter. The use of dietary supplements is common among young athletes. The chapter presents practical alternatives to help young athletes, parents, coaches, athletic trainers, and health‐care providers to achieve optimal nutritional practices on a more individual basis.