Glucosamine 5000 contains Glucosamine HCL a natural substance that may stimulate the production of proteoglycans which help to maintain the health and resiliency of joints and connective tissue and Omega 3 Fatty Acids that may help ease aches and discomfort caused by training and competition. Contains no fillers only active ingredients Glucosamine 5000 also contains the following natural ingredients: YeaSACC1026: Promotes the best possible digestion and utilization of the nutrients. Fiber digesting bacteria are enhanced resulting in improved digestion of feeds and forages. This coupled with the enhancement of other beneficial bacteria (such as lactic acid utilizing bacteria) provides for a more stable hindgut environment. SelPlex: Contains the same range of selenocompounds present in plants the form animals are best able to absorb store and utilize.