My 7 year old working cocker spaniel although always having been on the nervous side suddenly would not walk along a narrow path through a wood. This is a regular walk that he has done all his life, and of late I have had to give him a lot of encouragement to get him to continue through this part of the walk.I have used your excellent Flex joint powder for years (and still do) therefore I had no hesitation in ordering the Settlers. After just 6 days I could see the improvement in him and he is almost back to his confident but cautious self. I would just say I had been giving Bert other tablets for some months which were no help. Thank you ace canine