Promote optimal joint health in your horse with Absorbine Flex + Max Advanced Joint Health Optimized Pellets Horse Supplement. Strong enough for your equine but also safe for dogs and other livestock, youâ€ll love this versatile supplement. Designed to help support joints and connective tissue, the chondroitin molecule used in this mix is smaller than most others, allowing for maximum bioavailability. This supplement also contains static levels of glucosamine because itâ€s important to know that you are giving your pal the right amount of active ingredients.