Vitamin B6 (Pyridoxine)
General Info
Absorption
Vitamin B6 is easily absorbed in the intestines.
Dietary Origins
The best sources of pyridoxine are bananas, brewer's yeast, legumes, organ meats, peanuts, potatoes, and wheat germ. Intestinal flora; harmless microorganisms that inhabit the intestinal tract and are essential for normal functioning, also synthesize vitamin B6.
Overview
Toxicities & Precautions
General
At recommended doses, there are no known toxicities or precautions.
Side Effects
Vitamin B6 can be poisonous to nerve tissue when taken in large doses. Symptoms may include tingling in the hands, and decreased muscle coordination. Recovery occurs without problems after reducing intake of vitamin B6.
Functions in the Body
Energy Production
Enables the conversion of glycogen to glucose for energy production.
Niacin Conversion
It is essential for the conversion of tryptophan (trip-tuh-fan), an essential amino acid to niacin, a crystalline acid, used in the treatment of pellagra.
Red Blood Cells
Vitamin B6 is necessary for the formation of hemoglobin, the oxygen carrying pigment of red blood cells, and the growth of red blood cells.
Serotonin
Involved in the synthesis of serotonin (ser-uh-toh-nin), a neurotransmitter that is involved in sleep, depression, memory, and other neurological processes.