Barley, in the form of beer, has been used as a pick-me-up for many years. Puts you down if you drink too much of it though. Dark conditioned beer, such as Guinness, contains lots of Vitamin B6. Roasted barley is the source of antioxidents in the beer.
Barley contains large amounts of both phosphorus and potassium.About 60 mg each per oz.
Barley, pearled, raw