Vegan. Vegetarian. Non-GMO. Super food. Reduced bitterness. Brewer's yeast is derived from barley and wheat. Now Brewer's Yeast delivers the natural nutrient profile found in genuine whole foods. Brewer's 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. Natural color variation may occur in this product. This product is sold by weight not volume. General health. Family owned since 1968. GMP: Quality assured. nowfoods.com.