We eat copper every day. Some of the best dietary sources are seafood, whole grains, lentils, nuts, seeds, cereals, potatoes, peas, chocolate and dark green leafy vegetables. It maintains the human nervous and immune systems.   Copper is a vital micro-nutrient that is essential for human health. It is a mineral that is present in various foods that we consume every day. Although it is required in small amounts, it plays a crucial role in maintaining the human immune and nervous systems. This article is brought to you by Sybrina Durant, the author of the middle grade picture book, Magical Elements of the Periodic Table Presented Alphabetically By The Metal Horn Unicorns. In that book and also in The Journey To Osm collection, Copper is presented by the unicorn, Cuprum.