Are Dog Vitamins and Supplements Really Necessary?

When it comes to dog vitamins and supplements there are basically two schools of thought: 1. If you feed your dog a commercial pet food that is labeled “100% complete and balanced” there is no need to give vitamins or supplements to your dog. In fact, doing so can be dangerous. 2. It is impossible to provide our pets with a diet that is 100% complete and balanced for their...