Circulating pyridoxal 5′-phosphate in serum and whole blood: implications for assessment of vitamin B6 status

Abstract

Concentrations of pyridoxal 5′-phosphate (PLP) in serum and whole blood are routinely measured. The suitability of these markers in capturing vitamin B6 insufficiency is not well studied.

Keywords

• cystathionine
• deficiency
• homocysteine
• pyridoxal 5′-phosphate
• thiamine pyrophosphate
• vitamin b6