Sustainable Nutrition: At Quorn, we produce our own unique protein called mycoprotein (Mycoprotein: Mycoprotein is a mold (member of the fungi family). There have been rare cases if allergic reactions to products that contain mycoprotein), which a unique blend of protein and fiber. Producing mycoprotein (Mycoprotein: Mycoprotein is a mold (member of the fungi family). There have been rare cases if allergic reactions to products that contain mycoprotein) uses less land and water then animal protein production, so it's better for the planet too!