yes, I have been feeding your supplement for the last 6 - 7 weeks to my two German Shorthaired Pointers who are sisters and are 11 yrs. young, both have been very active great hunting dogs, one of the sisters came up with a substantial limp in the right front leg from a injury about 5 yrs back, the Vet suspects Arthritis in that leg and says because of her age . likely surgery is not a good option . I had heard of your Welly tail program and placed her on the supplement, have had really good...