Most foods contain phosphorus. However, good sources are protein-rich foods including milk, meat, poultry, fish, and eggs. Legumes and nuts are good sources as well.
Commercially phosphorus is available in combination
with other minerals: calcium phosphate, calcium
pyrophosphate, calcium glycerophosphate, ferric
phosphate, ferric pyrophosphate, magnesium phosphate,
manganese glycerophosphate, potassium
glycerophosphate, sodium phosphate, sodium ferric pyrophosphate, and sodium pyrophosphate