Phosphorus is the second most abundant mineral in the human body and makes up about 1-1.4% of fat-free mass. [1,5,6]
It is present in every cell of the body and plays an important role in how the body uses carbs and fats.
It is also a component of the bones, teeth, DNA, and RNA. 
Phosphorus additives are widely used in many foods to preserve moisture or colour, or even for stabilising frozen foods. These foods naturally contain a lot more phosphorus per serving than natural food sources and play a role in maintaining the normal reserves in the body.