The NUTRILITE Natural-B with Yeast is a natural way to supplement your diet with B-vitamins for optimum health and energy. This nutritious formula consists of seven essential B-vitamins (B1 B2 B3 B5 B6 folic acid and B12) plus Inositol. One tablet of Nutrilite Natural-B with Yeast helps fulfill the daily requirement for B-complex vitamins along with regular diet.