Yes, Glucosamine works quite well for Bo. There is also Glucosamine w/MSM which is another excellent product. Bo cannot tolerate aspirin, so we have to go this route. for pain relief, I've used d l p a (or D L P A can't remember now) in the past with excellent results. Barb Bowes Bo & Chelsea (Pyrs), Flopsy (Pyr Shep) & Machin (Doxie) The more people I meet, the more I like my dog! bamb@monmouth.com