Chewable Tablets - Vet One's chewable vitamin K tablets contains 50 chewable pet vitamins, each containing 25mg of Phytonadione. Vet One Vitamin K1 Chewable Tablets - Vitamin K1 for Dogs, Beef-Flavored Chewable Vitamins for Cats and Dogs (50 Tablets, Phytonadione 25mg).