NOW pleasant tasting Nutritional Yeast Flakes are produced from a specially selected strain of Saccharomyces cerevisiae. This yeast is grown on enriched purified cane and beet molasses under carefully controlled conditions. This is a primary grown yeast and is therefore NOT a brewery by-product as is brewer's yeast. This ensures freedom from Candida albicans yeast.California Proposition 65 WARNING: Consuming this product can expose you to chemicals including lead which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food.