Vitamin B6 (Pyridoxine), Plasma Level


Reference Range

Vitamin B6 (Pyridoxine) is a water-soluble vitamin. It is metabolized in the body and acts as a coenzyme in many important reactions in blood, CNS, and skin metabolism. It is also important in heme and nucleic acid biosynthesis, synthesis of the neurotransmitters serotonin and norepinephrine, myelin formation and in lipid, carbohydrate, and amino acid metabolism. Sources include: legumes, meats, nuts, and wheat bran. Vitamin B6 DEFICIENCY can cause seborrhea, glossitis, convulsions, neuropathy, depression, confusion, and microcytic anemia. It mostly arises in chronic alcoholics, pregnant and breast-feeding women and in patients on non-supplemented parenteral alimentation or hemodialysis. TOXICITY may cause peripheral neuropathy with deficits in a stocking-glove distribution, including progressive sensory ataxia and severe impairment of position and vibration senses.

Special Requirements

Hemolyzed and lipemic samples are not accebtable

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