New K9 Select Beef Flavored Chewable Milk Thistle for Dogs! From the makers of K9 Select and K9 Choice Flavored dog products, and the makers of Lignans for Life Milk Thistle for Dogs, we are proud to introduce our new chewable beef flavored milk thistle liver support for dogs. Same exceptional quality, now under our premium K9 Select Flavored Brand in a chewable beef tablet that dogs love. 60 chewable tablets per bottle; 60 servings; 100 mg of milk thistle in each tablet. Milk thistle provides antioxidants naturally and is used to support the liver. Milk Thistle can be beneficial for dogs with elevated liver enzymes or with stressed livers. Our milk thistle supplement contains 100 mg of milk thistle in each tablet, standardized to 80% silymarin. Each bottle contains 60 delicious tablets you can give to your dog like a treat or place in your dog's food.