Phosphate rock is processed to produce phosphorous, which is one of the three main nutrients most commonly used in fertilizers (the other two are nitrogen and potassium). Phosphate can also be turned into phosphoric acid, which is used in everything from food and cosmetics to animal feed and electronics.

What does phosphate do in the body?

Phosphate is a charged particle (ion) that contains the mineral phosphorus. The body needs phosphorus to build and repair bones and teeth, help nerves function, and make muscles contract.

What is phosphate used to treat?

Phosphate salts are most commonly used for bowel cleansing, low blood levels of phosphate, constipation, high blood levels of calcium, and heartburn.