NOW Brewer's Yeast contains several naturally occurring vitamins, minerals, and other beneficial nutrients. All vitamins listed occur naturally in Brewer's Yeast. No synthetic vitamins were added to the yeast during processing. Brewer's Yeast is an excellent source of protein and several B-vitamins. It is produced by cultivation of Saccharomyces cerevisiae on malted barley in the production of beer. After fermentation, the yeast is separated from the beer, roller dried and debittered.
Vegetarians and vegans have used brewer's yeast as a source of protein, vitamins, and minerals for many years. Those living a low carb lifestyle may find this to be an excellent nutritional supplement as brewer's yeast may regulate blood sugar levels.*