The human brain is a complex organ requiring many different nutrients to function properly. Nutritional deficiencies have been shown to contribute to the development of psychiatric disorders, age-related cognitive decline, and developmental disorders. On the other hand, both human and animal studies show that increased intake of brain-supporting nutrients improve various aspects of cognitive functioning such as learning and memory. For all these reasons, it is important that you ensure your brain is getting the right kind of nutrients. Here are 6 of the essential vitamins and minerals for a healthy brain.