A daily regimen to help maintain healthy cartilage and joint mobility. Vitamin enriched. Aging or trauma may lead to soreness, stiffness, and loss of mobility in your dog's joints. Hartz Advanced Care Joint Maintenance is specially formulated to help support healthy joint function. Glucosamine is a precursor of glycosaminoglycans which are necessary to maintain normal, healthy cartilage and joint mobility. Hartz Advanced Care Joint Maintenance also contains cofactors Vitamin E and Manganese Ascorbate. Hartz Advanced Care Joint Maintenance is highly palatable tablet that can be fed as a treat or mixed in your dog's food. Made and printed in the USA.