Now® brewer's yeast super food - reduced bitterness 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 seperated from the beer, roller dried and debittered. . Now brewer's yeast - reduced bitterness 1 lb (28 servings) lbs.