Fluoride is naturally present at low concentration in most fresh and saltwater sources, as well as in rainwater, particularly in urban areas.

What is fluoride made from?

Fluoride is created when salts from the element fluorine combine with minerals in soil or rocks. Due to its simple origins, fluoride is found naturally in soil, water and many foods. It also occurs naturally in the human body in bones and teeth.

What is fluoride and where does it come from?

Fluoride is a mineral that occurs naturally and is released from rocks into the soil, water, and air. Almost all water contains some fluoride, but usually not enough to prevent tooth decay. Fluoride can also be added to drinking water supplies as a public health measure for reducing cavities.