Originally Posted by jmiked

Cats and dogs metabolize Glucosamine very differently from humans, so you can't generalize efficacy in pets versus people. The Mayo Clinic says that although there are several studies that show that Glucosamine may be effective for a very few specific types of inflammation/pain, not enough studies have been done to draw any conclusions.

I took it for several years for knee and finger inflammation, the stopped for a while, then tried it again. I finally quit because there was no noticeable difference.