Phosphorus gives firmness to the skeleton. Also the mineral involved in the energy supply of the body and it is part of the DNA. Phosphorus is necessary for carbohydrate, fat and protein metabolism.

Where is it in?
Phosphorus comes almost in all foods. Foods as milk, fish, meat and bread contain relatively much phosphorus. Phosphorus is also in the form of phosphate salt as Binder added to foods

On the page ' where's the? "more information about the sources of phosphorus and the contribution of these sources to the recommended daily allowance.

How much do I need?
The recommended amount of phosphorus is by the Health Council on 700-1400 mg per day for adult men and women (22-50 years).

An overview of the phosphorus need in the different stages of life can be found at ' how much do I need? '.

What factors affect the absorption of phosphorus?
The absorption of phosphorus is reduced by antisecretory drugs that contain aluminum and by high doses of calcium carbonate (chalk). Calcium carbonate is in calcium supplements.

What is safe?
Phosphorus is the maximum safe dose for adults 4000 mg per day. This corresponds to over two pounds of meat or four pounds of spinach. At the safe dose is an average value, with a wide margin is taken. This means that one-time or short-term non-compliance with the maximum safe dose no direct danger.

What are the consequences of an excess of phosphorus?
Excessive intake of phosphorus causes increased bone metabolism, which can increase the risk of osteoporosis in older adults. Further, a high intake of phosphorus to the absorption of iron, copper and zinc.

What are the consequences of a lack of phosphorus?
Because phosphorus is sufficiently present in almost all foods, is a shortage of phosphorus almost not possible. A deficiency of phosphorus can lead to anorexia, anemia, bone pain, improper formation of the bones during growth in children or an increased susceptibility to infections.