Urigreen Regular Strength helps safely diminish urine burn spots on your lawn when fed to your dog on a daily basis. Urigreen Regular Strength utilizes a combination of DL-Methionine, vitamins, biotin and yucca to help metabolize your dog's food. Urigreen Regular Strength (250 Tabs) Regular price: $20.99 Sale price: $16.99 Urigreen ES - Extra Strength (250 Tabs) Regular price: $28.99 Sale price: $22.99