Phosphorus is essential in the metabolism of carbohydrates and is required for muscle contraction (via production of ATP). It is widely distributed in our cell membranes. They also require it for the mineralization of teeth and bones.
Phosphorus has a buffering capacity and because of this, it has shown potential as an ergogenic aid. They carried a short-term study out in 2009 which showed that short-term phosphorus loading increased VO2 max and power output in mountain bikers.
Note of Caution
Excessive phosphate intake is not liked by the body clock. It can lead to abnormal calcium regulations and bone loss.
Some offenders are
Fizzy drinks like coke
It is best to stick to whole foods and avoid any high dose supplementation.