Natural source of vitamin B1 for optimum health. Excellent dietary supplement. Source of proteins, nucleic acids and the B-complex vitamins that are indispensable to the proper functioning of the nervous system and the muscles. The B1, B5, B8 and B9 vitamins contained in it also have benefits for the hair and nails (strength, resistance and better health). Qualified as a probiotic, Bjäst brewer’s yeast is a living substance which interacts with the intestines, stimulating the intestinal flora.