Naturvet, 60 count, glucosamine double strength with msm tablets, veterinarian formulated & recommended to support healthy hip & joint function, helps to maintain joint flexibility & alleviate aches & discomfort associated with exercise, glucosamine is an easily absorbed natural substance that may stimulate the production of proteoglycans which help maintain the health & resiliency of joints & connective tissues, contains important antioxidants to help protect against free radicals that cause cellular damage.