Tear Stain Remover for Dogs and Cats with Lutein, Eye Stain Supplement, Keep Fur Clean with Our Tear Stain Supplement Powder from NaturVet 100% Money Back Guarantee - NaturVet Helps fight tear stains in your dog and cat from the inside out. Immune support supplement that lubricates the mucous membranes to remove and reduce tear stains from your pet. Extremely palatable and easy to digest tear stain supplement powder. Natural active ingredients. Safe for use in all dogs and cats over the age of 12 weeks. Our Tear Stain supplement is veterinarian formulated and manufactured in the USA in an FDA audited, cGMP compliant facility.