NaturVet GrassSaver for Dogs, 250 Chewable Tablets No More Yellow Spots! A healthy supplement that will stop your dog's urine from yellowing lawn when fed to your dog on a regular basis. Unique formula contains a synergistic combination of B-Complex vitamins and amino acids. Also contains Yucca to help reduce stool odors. Tasty Chewable Tablets 250ct for Dogs only, do not give to Cats. Instructions: Water yellow spots heavily for two weeks. After feeding GrassSaver for two weeks, reseed all yellow spots. Guaranteed Analysis per 500 mg Tablet: dl-Methionine. All NaturVet products are veterinarian formulated and manufactured in the USA in an FDA audited, cGMP compliant facility. 100% Satisfaction Guarantee.