As dogs walk, run, jump and play, tremendous stress is placed on all components of ther joints. Years of wear and tear from exercise, normal aging, disease, injury or genetic conditions can break down cartilage, leading to instability and discomfort. Nutri-Vet bone and joint supplements are specifically formulated to support structural integrity of joints and connective tissues in dogs, and aspirin helps reduce pain in dogs of all ages, breeds and sizes. Liver flavor chewables minimize the potential of stomach upset and maximize taste and aroma. 300 mg per tablet.