Nutritional Yeast Flakes are a deactivated yeast from the Saccharomyces cerevisiae strain which can be used as an ingredient or condiment. This plant based protein source has significant amounts of energy providing B vitamins, including B12 which is produced by natural fermentation. Nutritional Yeast is known to have a tangy, cheesy, creamy flavor and texture, making it perfect for sprinkling on popcorn, salads or for blending into hot foods! Being a complete protein with 9 essential amino acids, Anthony's Nutritional Yeast Flakes can be a great cheese substitute for Vegans.