pyridoxine, pyridoxal, and pyridoxamine as well as a 5'-phosphate derivative of each. All six naturally occurring vitamers of vitamin B₆ are found in foods.

Pyridoxine, along with its phosphorylated form, pyridoxine-5'-phosphate, are primarily found in plant-based foods. Pyridoxine is the most stable vitamer of vitamin B₆. Pyridoxine glucoside is a related vitamer that is