Organic, deactivated yeast in flake form. Don’t know why you’d want this you won’t believe how seriously good this tastes. Nutty. Umami. Slightly cheesy. Need we say more rich, roasted and yeasty aroma, too. So good, it’s affectionately called nooch and hippie dust.Best known as a vegan cheese substitute, but it’s not just for vegans and hippies. Non-gmo. No eto (considered carcinogenic by the epa). Not irradiated.