A crucial mineral that is found in every living creature on this planet. It’s vital for a number of biological processes in your body such as melanin formation, respiration, iron uptake and transportation. Copper also help with the development and growth of an embryo, normal function of your nervous system, heart development and immune system. The deficiency of copper can affect your immune system and energy level. Since it plays such an important role in production of melanin, then lack of copper can result in hair loss and hair greying. Some food sources that are rich in copper are oysters, crab meat, cashew nuts, sunflower seeds, wholegrain, bread, pasta, broccoli, potatoes and bananas.