Fera Pets dog liver support is formulated with milk thistle (min. 80% silymarin), turmeric for dogs, BioPerine Black Pepper Extract, choline, and organic botanicals that help support liver health and normal detoxification. This cat and dog liver supplement is vet-formulated with Organic Artichoke Leaf, Organic Dandelion Root, and Organic Burdock Root to help support the normal cleansing of the liver from impurities and waste, while enhancing blood flow and breaking down fats to promote a healthier liver. This zinc supplement for dogs and cats includes Choline and Milk Thistle for dogs and cats which are essential nutrients for a healthy liver, heart, and brain, and can help to improve endurance and heart function. These supplements do not contain colors, dyes, or preservatives. Our liver support powder easily mixes into your dog's or cat's favorite food.