Actually seeds of the cashew apple, these kidney-shaped nuts are packed with a number of vital nutrients. Both, the fruit as well as the nuts, are rich sources of copper, potassium, folate, B vitamins and magnesium etc. The mono-unsaturated fats present in the fruit, help fight against cardiovascular diseases. Cashew nut is replete with antioxidants that help destroy the free radicals, that may cause a number of health disorders in the body.