While peanuts used to be linked to baseball games and circuses, they are now praised for their excellent nutritional value. As a significant source of the phytochemical resveratrol, peanuts may reduce the risk of heart disease by more than half when eaten regularly in small amounts according to recent studies. They contain beta-sitosterol which studies show helps to fight the effects of stress. Peanuts are also a good source of B Vitamins which boost energy and Vitamin E which is good for your skin and include fiber and other nutrients. They have one of the highest protein contents in the nut world which make them an excellent snack for athletes and those of us who lead an on-the-go lifestyle.