Energy drinks are purported to just do what the name implies -- offer you an additional burst of power. As it seems, most of that "power" comes from two foremost substances: Mind Guard official site sugar and caffeine. A typical energy drink can comprise up to 80 milligrams of caffeine (about the same quantity as a cup of coffee). By comparability, a 2006 examine found that the average 12-ounce soda accommodates 18 to 48 mg of caffeine. Other than caffeine ranges, how do energy drinks differ from sodas and sports drinks? Soft drinks are mainly water, sugar and flavoring. They do not do something to your body