Powerbar energize wafers 12 x 40g for successful intense training or competition you should top up your energy levels before you start and refuel during exercise with carbohydrates thats why powerbar invented the first energy bar in the world back in 1986 now there is powerbar energize wafer the first energy wafer with c2max a scientifically developed special ratio of glucose and fructose sources a great tasting crunchy energy bar choice before and during sport features c2max dual sour