Vitamin B6, also known as pyridoxine, is a coenzyme of aminotransferase, decarboxylase and racemase, and participates in the metabolism of amino acids, proteins, fats and sugars in the body by enzymatic action to produce physiologically active pyridoxal phosphate and pyridoxal phosphate.

Vitamin B6 (VB6) is an important coenzyme factor which participates in many metabolic reactions, especially amino acid metabolism.
Vitamin B6 deficiency is uncommon in adult ruminants, but calf deficiency can result in anorexia, diarrhea, vomiting, poor growth, impaired vision, microcytic hypochromic anemia, and neurological disorders due to peripheral nerve demyelination.
Vitamin B6 deficiency in dogs and cats can cause loss of appetite, weight loss, ataxia, convulsions and myocardial damage, as well as microcytic hypochromic anemia.
Vitamin B6 deficiency in poultry shows symptoms such as muscle tremors, tonicity and spasms.