This Milk Thistle product is perfect for pet owners with dogs or cats, especially those whose dogs have liver disease or are on medications like steroids. It helps support and detox the liver. There are two bottle sizes: 2 oz (59 ml) for medium dogs up to 35 lbs and 4 oz (118 ml) for large dogs, both offering a one - month supply. It's gentle with no known side effects and is great for long - term use to keep your pet's liver healthy.