The ideal condiment for soups, cereals and smoothies Engevita® yeast flakes are high in vitamin D, B vitamins and Zinc. They are a natural food grown on fortified molasses under carefully controlled conditions with the addition of yeast treated with ultra-violet light in order to naturally increase their vitamin D content. Engevita® is a primary inactive yeast of the genus Saccharomyces cerevisae, entirely free from Candida albicans yeast.