Often times the most active pets are the ones who suffer the most from joint and muscle pain GlycoFlex III is specifically formulated to alleviate joint inflammation and stiffness which are a common occurrence in working highly active and senior stage dogs Combat natural wear and tear with the nutritional formula found in GlycoFlex III Containing vitamins C and E glucosamine MSM methylsulfonylmethanea vital source of nutritional sulfur for joints and muscles and grape seed extract GlycoFlex III has only humangrade ingredients This product can also be used safely in conjunction with NSAIDS nonsteroidal antiinflammatoriesOther products from PetCareRx