This is the new extreme formulation . This will kick some serious butt for sure. The experience is an energy charge that will last 3-4 hours .Because of the advanced 4G formulation there are easy and smooth effects as wears off. There is no next day hangover. Focus is the latest energy supplement to be released . They offer a great alternative to energy drinks and are an ideal all round effective energy source. Suited for a range of uses that require extra energy, focus and concentration, including: Intense training sessions Last minute/all night exam cramming Long distance driving assistance Next day hangover help Socialising General pick me up on those slow days.