Vitamin B6, also known as pyridoxine, is a water-soluble vitamin that plays a crucial role in various bodily functions. It is essential for the metabolism of amino acids, carbohydrates, and lipids, as well as for the synthesis of neurotransmitters and hemoglobin. Vitamin B6 also supports immune function and helps maintain healthy skin, nerves, and red blood cells. Good food sources of vitamin B6 include poultry, fish, bananas, potatoes, and chickpeas.