Ingredients for healthy joints are a hot area of supplementation, primarily because of the high number of animalsmainly dogs and horsesthat suffer from joint-related issues. This Digital Magazine examines the latest research, ingredient trends and formulation considerations for developing effective animal joint health products. Takeaways include: *Joint/mobility products in pet specialty grossed $US95.7 million in 2015, up 45 percent from 2011. *Glucosamine, collagen and cartilage can help increase joint strength in horses. *Dog products represent 99 percent of joint/mobility dollar sales in the pet specialty sector.