Wow thank you all for all your replies and info!
Thank you Erin, yorkiepuppie, RemydeHaviland, shannonroselive, Archie, and anyone else I forgot!
I'm going to order the cosequin now. I have to *hide* all the stuff I've been buying for Uni from bf. He always says "Now what have you bought her?" He doesn't like the Royal coat I got her b/c it "makes her smell like fish". Well, it's fish oil what you you expect?