Folic acid (B9)

Again this vitamin has a number of different names (folacin and pteroylglutamic acid). This vitamin often functions in conjunction with other vitamins in the body, for example it interacts with vitamin B12 in the synthesis of DNA. Also in combination with B12 and vitamin C it is used in the breakdown of proteins and the formation of hemoglobin.  

Due to its links with DNA and hemoglobin deficiency results in stunted growth, anemia and also irritation of the mouth. The deficiency is often the result of alcoholism or malnutrition.

Good sources of this vitamin are liver, yeast, green vegetables and whole grains. A high demand for folic acid occurs during pregnancy due to the large requirement by the fetus for the vitamin.

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