Some supplements, like glucosamine and chondroitin, don’t often function very well. But, more recent possibilities like undenatured type II collagen and green-lipped mussel oil are showing promise. They're able to help with joint health and lessen arthritis signs and symptoms in dogs. I give it to him after a handshake. https://elliottyinty.bloggazzo.com/32177290/5-essential-elements-for-dog-supplements-for-flexible-movement