Biotin

Biotin is a water-soluble vitamin, also known as vitamin H. In the body, it plays an important role in the synthesis of fatty acids and the metabolism of amino acids. It is a nutrient that contributes to the health of yeast: brewer's yeast and baker's yeast require biotin, whereas sake yeast does not require it and is able to synthesize it on its own. Biotin is also involved in the health of skin and hair, and it is important to obtain it through a balanced diet.