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) - 1 Lbs.