TEHO is an energy drink manufactured by Olvi company of Finland. "Teho" is Finnish and means "efficiency" or "power" in English. It contains caffeine, taurine, guarana, maltodextrose and a small amount of B vitamins. TEHO was first brought to the market in 2005 and is currently, in Finland, the third most sold energy drink. Notable rivals of TEHO are Battery, ED and Red Bull.