We have used Free and Easy since it first came out - first for our now 28 year old mare, and then our older stallions, then ourselves, and now for our 2 10 year old adopted Collies. We SEE the biggest difference in the Collies, perhaps because we actually WATCH them more. But we FEEl it ourselves obviously, and the difference in "this" arthritic-jointed body is noticeable relief and looseness. Still won't be 16 again, but it is a huge improvement. I like the Ester C in the formula - and no added junk.
