Vitamin B6

class of chemically related vitamins

Vitamin B6 is a group of chemically similar compounds which can be converted between each other in biological systems.

Vitamin B6 is part of the vitamin B. Its active form, pyridoxal 5′-phosphate, serves as a coenzyme in some 100 enzyme reactions in amino acid, glucose, and lipid metabolism.[1]

The active form of B6 helps to increase or decrease the expression of certain genes.


  1. "Vitamin B6". Micronutrient Information Center, Linus Pauling Institute, Oregon State University, Corvallis, OR. May 2014. Retrieved 7 March 2017.