Over the last fifty years, there has been a catastrophic health decline in domesticated dogs. Commercial food, vaccines, and pharmaceuticals have all contributed to the weakest canines in history. The oldest dog on record lived to be 27! He was a working dog in the Australian outback.
He never saw a vet or a drug, ate only fresh raw kangaroo or emu, and got plenty of exercise
The only way to get remotely close to that number is with high quality, food-based supplementation. Review the products and ingredients in the Longevity Combo Pack and you will see why it is the most effective supplement you can give your dog.