Pilot is a 3 year old chocolate lab that has had the TTA surgery on both knees before he was 1.5 yrs old. He is a very active! The vet recommended that we start him on some Glucosamine supplements. Wanting to stick with a US product and something that he would take as a treat was not an easy task! We had a hard time finding a product he would eat until we tried GlycanAid HA! Not only does he think its a treat BUT his stiffness is better. We have now been on GlycanAid HA for over 6 months and at our last Vet appointment the Dr. said his knees were looking good! He is headed back to the water with a spring in his step and less stiffness! Thank you so much TopDog and Dr James!