Nutritional Yeast, Large FlakeNutritional Yeast, Large Flake A primary grown yeast with added vitamins. Its golden color is derived from the natural deep yellow color of pure riboflavin. It has a mild, nut like flavor which is free from any harsh yeasty odor or taste. Red Star specifically developed Vegetarian Support Formula (T6635+) Primary Grown Nutritional Yeast for those on a vegetarian diet. Red Star grows the yeast on enriched purified cane and beet molasses under carefully