DYEOF Kalmbach Feeds Tribute Essential K Gc Plus for Horse, 50 lb Joint support. Contains glucosamine, chondroitin sulfate and MSM to support joint health and range of motion Low feeding rate results in low NSC and low calorie intake ideal for horses with metabolic conditions Optimal balance of essential amino acids for growth and muscle maintenance With EquiFerm XL microencapsulated active dry yeast; acts as both a pre- and probiotic, increases total diet digestibility and improves overall gut health