While we carry this quality product, neither VetAmerica.com or any third party associated with, related to or linked to VetAmerica.com business or website is in any way affiliated with Conklin Company, Inc. Canine Microbial Supplement Love your dog? Then you will love how Fastrack enhances your dogs overall health and appearance! Canine Microbial Supplement provides live beneficial mircoorganisms, live yeast cells, FOS (fructooligosaccharides), and enzymes to help promote and maintain a healthy digestive tract, increase food utilization, and improve the hair coat. Sprinkle the tasty Canine Microbial Supplement over dry or wet food once per day.