foods high in phosporous

Evidence Based

Medically reviewed by Sara Osman,RD,PT

Introduction

Phosphorus is the second most abundant mineral in the human body and makes up about 1-1.4% of fat-free mass. [1,5,6]

It is present in every cell of the body and plays an important role in how the body uses carbs and fats.

It is also a component of the bones, teeth, DNA, and RNA. [1]

Phosphorus additives are widely used in many foods to preserve moisture or colour, or even for stabilising frozen foods. These foods naturally contain a lot more phosphorus per serving than natural food sources and play a role in maintaining the normal reserves in the body. [1]

  • Normally, phosphorus absorption rates vary between 40 and 70% in the small intestine and the mineral is absorbed more efficiently from animal sources than plant sources. [1]
  • 85% of phosphorus reserves are stored in bones and teeth and the remaining 15% are distributed throughout the blood and soft tissues. [1,2]
  • Total body phosphorus stores in adults have been estimated to be around 400–800 g. [5]
  • Excretion is through the urine and is regulated by the kidneys. [2]
  • Also, faecal excretion of phosphorus is estimated to be around 300 to 600 mg/day. [5]

Body Functions

Supports tissue growth [2]

Energy production [3]

Activation of enzymes [1]

Gene transcription [1]

Helps maintain normal pH in the body and is involved in the metabolic process [2]

Energy production [3]

Supports tissue growth [2]

Activation of enzymes [1]

Gene transcription [1]

Helps maintain normal PH in the body and involved in metabolic process [2]

Recommended Daily Intake

how much phosporous is recommended daily
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Deficiency Symptoms

Loss of appetite [3]

Muscle weakness,bone pain [2]

Confusion [1]

Anaemia, proximal muscle weakness, bone pain. [2]

Increased infection risk [1]

Anorexia [1]

Paresthesias, ataxia [1]

Anorexia [1]

Increased infection risk [1]

Paresthesias [1]

Ataxia and confusion [1]

Anaemia[2]
Muscle weakness and bone pain [2]
Loss of appetite[3]

Phosphorous Food Sources

foods high in phosporous vegan
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Excessive Intake/ Toxicity Side Effects

Chronic kidney diseases [1,3]

Increased risk of cardiovascular diseases [4]

Vascular calcification [4]

Chronic kidney diseases [1,3]

Increased risk of cardiovascular diseases [4]

Vascular calcification [4]

Groups At Risk of Phosphorous Deficiency

Preterm infants

Since most the fetal bone mineral content is acquired during the third-trimester of pregnancy, infants born pre-term have low calcium and phosphorus reserves in their bones. [1]

Phosphorous Interaction With Other Nutrients

  • Calcium – Unabsorbed calcium in the digestive tract combines with phosphorous and interferes with its digestion and absorption. [2]
  • Aluminium – When taken in large doses, antacids that contain aluminium may interfere with phosphorus absorption. [2]

Nutrient Profiles For Food Groups

Fruits ( i )

Raw or Frozen – 22.91mg
Dried 22.72 mg
Canned – 19.13 mg
Raw or frozen – 22.91 mg

Legumes ( i )

Flour – 498.57 mg
Dry – 518.06 mg
Raw- 283.23 mg
Cooked – 145.55 mg
Canned – 96.93 mg

Nuts & Seeds ( i )

Nuts – 262.19 mg
Seeds – 410.33 mg

Veggies ( i )

Dried – 102.44 mg
Cooked – 61.02 mg
Canned – 67.76 mg
Raw or frozen – 61.02 mg

Cereal grains & Flour ( i )

Raw grains – 319.52 mg
Flour – 236.94 mg
Cooked – 80.90 mg

Oils ( i )

Cooking oil – 0.31 mg
Other edible oils – 0.38 mg

what do these number mean?

References

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Medically reviewed by Sara Osman,RD,PT

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