Nutritional yeast is the same species of yeast, Saccharomyces cerevisiae, used to make beer, bread, or kombucha. Nutritional yeast is inactive. Nutritional yeast is made by growing S. cerevisiae on a sugar-rich molasses medium. Then, it is deactivated with heat, washed, pasteurized, dried, and crumbled. Excellent Source of Vitamin B-12 Vitamin B-12 is crucial for…