Dosing and administration guidelines contained in packaging table. Directions for use are to place on food water or on a treat. Dosing is by body weight for dogs and cats, puppies and kittens. 2-10kgs = 5 drops, 10kgs to 20 kgs = 10 drops, 20kgs to 40kgs = 15 drops, 40kgs+ = 20 drops.