Brewers Yeast -Is very high in B vitamins.  The B vitamins in brewer’s yeast are B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B9 (folic acid) and H (biotin).  These vitamins help break down carbohydrates, fats and proteins, which help the body with energy.  They also support the nervous system, help to maintain the muscles used for digestion and promote the health of skin, hair, eyes, mouth and liver. Feed approximately ¼ cup daily depending on size of animal.