, high in healthy monounsaturated fats & protein, rich in magnesium copper & manganese, perfect breakfast snack smoothie optioncashew nuts are a good source of magnesium a mineral required for muscle nerve & bone health. magnesium is vital for energy production & is particularly important for muscular relaxation & muscle protein synthesis. these nutrient dense nuts are also rich in manganese important for blood sugar control & formation of the powerful free radical scavenger ‘super oxide dismutase’. copper is also abundant in cashew nuts known to contribute to red blood cell production & nerve health. rich in monounsaturated fatty acids these healthy fats are often associated with the mediterranean diet known to contribute to reducing cholesterol. cashew nuts are also a useful source of dietary fibre (6g per 100 g). cashew nuts contribute to your protein goals. ¼ cup provides 10 grams of protein.