I LOVE this supplier. It is a powder, which I actually like bc you just sprinkle it on their food. It's a multi, has digestive enzymes, probiotics, and Glucosamine Sulfate (240 mg), Chondroitin Sulfate (175 mg). I use this brand, except I use the skin/coat version.
http://www.onlynaturalpet.com/produc...rt/999066.aspx