Cashew nuts are an excellent source of protein,healthy facts, antioxidants, helps to boost the immune system and has no cholesterol. For this reason, they are often heavily featured in the diets of vegetarians and vegans. Cashews are low in carbohydrates, especially as compared to other common snacks. Satisfying as a snack, a topping, or in sauces and butter, the cashew is beloved all around the world for its versatility and its rich flavor.