Easy to use - just sprinkle over wet or dry food once a day. You have to get your pet used to the taste by using smaller amounts and gradually increasing them until you reach the recommended daily limit - a measuring spoon is included in the bowl. “Vet’s Best Toothpowder for Dogs is a delicious formula containing brewer’s yeast, free of artificial additives and preservatives. Vet’s Best Toothpowder for Dogs contains a natural blend of brown algae and spirulina.