"RF-1 is our nutrient-rich supplement for all dogs over 5 months of age and particularly for athletic and hard-working dogs preparing for an event. RF-1 combines powerful amino acids, colostrum, creatine monohydrate, MCT's, Omega 3 fatty acids, glucose polymers, vitamins, chelated minerals, electrolytes, glucosamine and other anti-inflammatory and immunity-boosting factors in a tasty blend that we believe is the best of it's kind on the market. Try it on your dog and you will see dramatic results in a few short weeks! RF-1 comes in a five pound vacuum sealed bag for complete freshness."