TLC Lupin Flakes 5kg. Made from the Aussie-grown little legume is gluten-free. Lupin protein Flakes are super versatile and can be used in a wide range of food products from cereals, crumbing, baking, salads, snacks, pasta, and dip. Price Per carton. 3 x 5Kg bags per carton. Minimum order 2 cartons.