What is phosphorus?

Phosphorus is an essential mineral for our body to function properly.

An average adult contains about 700 g of phosphorus, mainly found in bones and teeth.

Why do we need phosphorus?

Phosphorus contributes to many bodily functions, including:

Component of DNA

Phosphorus is an important structural element in DNA.

Energy in cells

Phosphorus is involved in the formation of adenosine triphosphate (ATP) which provide vital energy in cells.

Bone and teeth health

Phosphorus is essential in bone and teeth mineralization.

Recommended Daily Allowance for phosphorus

Recommended Daily Allowance for a 44-year-old male moderately active, weighting 70 kg and 175 cm tall is 700 mg and the Tolerable Upper Intake is 4 000 mg (1).

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Phosphorus deficiency

Phosphorus deficiency is rare in developing countries. The signs and symptoms of deficiency include (2) :

• Anorexia
• Anaemia (low number of red blood cells)
• Muscle weakness
• Bone pain
• Increased infection risk
• Ataxia (disorders that affect co-ordination, balance, and speech)
• Confusion

What are the risks of too much phosphorus?

High phosphorus intakes could cause (3) :

• Metastatic calcification
• Skeletal porosity
• Interference with calcium absorption