Suitable for vegetarian. 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 of allergic reactions to products that contain Mycoprotein), which is a unique blend of protein and fiber. Producing Mycoprotein (Mycoprotein: Mycoprotein is a mold [member of the fungi family]. There have been rare cases of allergic reactions to products that contain Mycoprotein) uses less land and water than animal protein production, so it's better for the planet too!