How smart is your child?.Nutrition plays a major role in your children's ability to concentrate, learn and achieve. Fast growing bodies need all the nutrition they can get. Even if your child already enjoys a good diet, they may still stand to benefit from improving their nutrient intake as many children are often lacking in some (or many) nutrients. These nutrients often include acetyl l-carnitine, fish oil, bacopa, folic acid and zinc. Each plays a crucial role in benefiting your children's brain function.