PRODUCT DESCRIPTION Brewers yeast has naturally occurring protein and several B-vitamins. It is produced by cultivation of Saccharomyces cerevisiae in the production of beer. After fermentation, the yeast is separated from the beer, roller dried and debittered. NOW Brewer's Yeast delivers the natural nutrient profile found in genuine whole foods. Natural color variation may occur in this product. This product is sold by weight not volume. BRAND STORY By NOW Foods NOW Supplements, Brewer's Yeast Powder with naturally occurring Protein and B-Vitamins, 1-Pound