There are varieties of cashews that is classified on the basis of color, size and texture. Cashews are low in fat, have zero cholesterol, are high in protein, and include a large amount of important vitamins and minerals. The fat that cashews do contain is a heart-healthy, monounsaturated fat called oleic acid. A diet rich in cashew nuts also assists in maintaining healthy blood pressure levels by improving the sensitivity of a key reflex called the baroreflex. Cashews contain a high amount of vital minerals such as phosphorous, which builds bones and teeth, and magnesium, which promotes energy release and bone growth. Cashews also deliver small amounts of other essential minerals such as potassium, calcium, and selenium, Cashew nuts are rich in vitamins K, B, and E. The cashew nut is a good source of iron, essential for the formation of hemoglobin which is an important component of red blood cells that transports oxygen from the lungs throughout the body.