A healthy immune system helps fight off infection every single second of the day, but when it becomes too activated or confused, that's when the problems start. (mindbodygreen.com)
These supplements may strengthen your dog's immune system and help him fight off the infection faster and keep it from coming back. (dogsora.com)
This has been clinically proven to improve your dog's immune system, and help him fight off infection from the inside. (happytailsspa-blog.com)