 It is now actually enriched with glucosamine and chondroitin to help treat and prevent issues with hips, joints, and bones. I added prebiotics and probiotics. Now, why? Prebiotics make probiotics work better. So prebiotics and probiotics will give your dog or your cat the healthiest gut they can possibly have. And we all know by now that a healthy gut means a healthy body. Hugs and Kisses really makes a major difference in controlling shedding, dry skin, bare spots, hot spots, even hairballs.