Made with 100 tuna fillet the only source of protein thrive tuna is cooked in a fish broth with added vitamins and minerals to give your cat a complete nutritionally balanced meal thrive tuna is complete therefore can be fed on its own or mixed in with our thrive premiumplus dry food depending on your cats preference this is real pure tuna fillet not meatanimal derivatives wheatgluten free easy to digest feed alone or with thrive premiumplus dry food no preservatives