Question: what is the difference between brewer's yeast and nutritional yeast flakes?
Answer: Nutritional yeast is a species of yeast known as Saccharomyces cerevisiae. It is the same type of yeast that's used to bake bread and brew beer. ... The yeast is killed during cooking but adds an earthy, yeasty flavor to bread. Brewer's yeast: Brewer's yeast can be purchased alive and is used to brew beer.