NOW 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. The flakes have a pleasant nutty, cheese-like flavour and is a versatile food supplement that can be used as a topping for many favourite dishes including popcorn. Can be added to foods, smoothies, and health shakes to boost nutrition.