Vitamin M/B9 is another of the essential B vitamins, is actually a group of compounds that include Folic Acid and similar substances. It is essential for making genetic material (DNA and RNA) and red blood cells, healing wounds and building muscle tissues. It is also instrumental in a number of metabolic functions, including the synthesis of choline and the formation of various amino acids-the building blocks of proteins. It works closely with vitamins B6 and B12 too, among other functions, protect against heart disease by controlling blood levels of homocysteine, a by product of protein metabolism.

Vitamin B9 Folic Acid has a direct effect on lessening depression. It helps regulate sleep, and appetite. Recent research has shown that B12 can help prevent certain heart ailments. Vitamin B12 is so important in preventing birth defects that it is now required by law to be added to certain grain based foods.