Nutri-Vet Grass Guard MAX Chewables with Probiotics for Dogs, 365ct, Safety-Sealed Twin-Pack All natural supplement promotes a healthy pet and a spotless lawn. Unique blend of probiotics, digestive enzymes & amino acids to help reduce lawn burn. Easy to feed with the great liver flavor dogs love! 1-Year Date-Code Guarantee! Veterinarian developed - Dog approved. Made in USA