Ralph Carlson Blog

Phosphorus, though essential, is plentiful in food

Phosphorus is an essential mineral required by nearly every cell in the body. Eighty-five percent of the phosphorus in the body is found in bone. It is so common in food that deficiency is rare. The RDA for adults is 700 mg per day which should be easily provided by a normal diet. The tolerable upper intake for adults is 4 grams per day (3 grams for adults over 70).  Normally seniors needn’t worry about phosphorus but there are situations where it may be important. [continue reading…]