Vet's Best Advanced Dental Powder for Dogs contains a natural blend of brown seaweed and spirulina to support teeth cleaning, which helps keep teeth clean and fresh. It is a tasty preparation that also contains brewer's yeast, which does not contain any additives or artificial preservatives. Contains seaweed extract, which helps keep teeth clean and fresh. Helps reduce bad breath. Contains brewer's yeast to improve the taste. Easy to use just add to wet or dry feed. Suitable for dogs and puppies from 12 weeks.