NaturVet® GrassSaver® Wafers for Dogs contains healthy ingredients that help to diminish those yellow spots when given to your dog daily. DL-Methionine, an essential amino acid, combined with Yucca helps to maintain normal urine pH levels. The Vitamin B blend and cranberry help promote optimal urinary tract health and the normal function and health of the kidneys. Contains healthy ingredients that help to diminish those yellow spots when given to your dog daily Maintains normal urine pH levels Promotes optimal urinary tract health and the normal function and health of the kidneys For Dogs. Do Not Use for Cats. Helpful Instructions: Water yellow spots heavily for two weeks. Once your pet has been fed GrassSaver Wafers for two weeks, reseed all yellow spots. Directions For Use: (Daily) Up to 10 lbs. 1 Wafer 11-20 lbs. 2 Wafers 21-50 lbs. 3 Wafers 51-80 lbs. 4 Wafers 81 lbs. and over 5 Wafers DO NOT GIVE TO CATS If your dog is on a "prescription diet" by a veterinarian, or if your dog has a metabolic disease (particularly liver or kidney dysfunction), then consult your veterinarian before using. Feed only the recommended amount to avoid adverse effects of excess methionine consumption. Available Size: 21 oz (600 g) 300 Wafers