The combination of Glucosamine in a 1,500mg dose and Chondroitin in a 1,200 dose is commonly taken and has been studied for joint health support. We provide a 3 tablet dose so that users wishing to give the product to their dogs can lower the dose to 500mg and 400mg respectively. The tablets can be crushed or dissolved in liquid for those looking to give the supplement to their pets. Notice: Contains shellfish (shrimp, lobster, and crabs)