Every ingredient in this formula has been naturally derived. It is produced in a liquid form, so that it can be absorbed quickly and more effectively than competing chew tablets. It contains concentrated amounts of Glucosamine, MSM and Chondroitin. It also contains Magnesium, Collagen-2 and Loquat, providing true support and maintenance of healthy joints. Our pre-measured spray-pump system also allows for consistent, accurate dosing each time. Simply apply the required number of pumps to the dog food daily. Our liquid nutraceuticals are manufactured in the USA, in accordance with AAFCO rules & regulations and produced in an FDA-approved facility to ensure quality.