Vitamin B₆ is one of the B vitamins, and is an essential nutrient for humans. The term essential nutrient refers to a group of six chemically similar compounds, i.e., "vitamers", which can be interconverted in biological systems. From Wikipedia
Karolinska Institutet researchers are testing a B vitamin and choline supplement shown to slow optic nerve damage in animals, offering a potential new pathway for glaucoma treatment beyond pressure management.
