Copper is necessary to many body functions, such as storage and transport of other nutrients, it helps in many cellular and metabolic processes. It may be beneficial as an antibacterial and anti-fungal. It is used to help treat anaemia, rheumatoid arthritis, stroke and heart disease. It helps to boost the immune system, can be used to treat acute and chronic diarrhea, arthritis (topically), eczema, impetigo, tubercular infections, lupus, syphilis and facial neuralgia.