Energy drinks are speculated to just do what the identify implies -- provide you with an additional burst of power. As it seems, most of that “energy” comes from two essential substances: sugar and caffeine. A typical power drink can contain as much as 80 milligrams of caffeine (about the identical quantity as a cup of coffee). By comparison, a 2006 research discovered that the common 12-ounce soda contains 18 to 48 mg of caffeine. Aside from caffeine ranges, how do power drinks differ from sodas and sports drinks? Soft drinks are primarily water, sugar and flavoring. They do not do something on your body