Phosphorus deficiency symptoms typically develop more gradually unless caused by a medical emergency. Early signs include muscle weakness, bone pain, and increased susceptibility to infections.

Phosphorus deficiency is rare in developed countries, as most adults eat more than the recommended amount every day. Phosphorus is found in most foods, but some foods are especially good sources.

“Phosphorus deficiency is uncommon in the US and rarely due to diet,” says Vanessa King, a clinical nutrition manager for Queen's Health System.“Those at risk for phosphorus deficiency, called ...

Phosphorus Deficiency VITAMIN D deficiency in most species of animals leads to the development of rickets, and Kay's suggestion that the real cause of experimental rickets produced under ...