Vitamin K is a fat-soluble vitamin instrumental in activating your dogs bloods ability to clot. In addition senior and older dogs should take joint supplements with glucosamine chondroitin and MSM supplements that will help to alleviate the symptoms read our reviews on the best glucosamine for dogs. Vitamin D calcium and phosphorous support strong bones and muscles.
Additionally senior dogs and puppies can benefit from taking multivitamins. This multivitamin does deal with much more than joint support though. What Vitamins are Good for Dogs.