Whenever you feed your dog or cat a food not specifically designed for their consumption there is a risk of an adverse reaction. Dogs and cats can not always tolerate the same foods we can. They also have unique food allergies, just like we do. The good news is that most of the time there [...]

By Dr. R.T. (Bill) Goldston, DVM -Veterinary Gerontologist
As a general rule dog foods do not need to be supplemented if the food is a high quality commercial dog food, specifically prepared for the dogs life stage e.g. pediatric, adult, senior.  HOWEVER, with most senior dogs, due to aging changes that influence food absorption and digestion [...]