i have used it, dirk hooked me up a few weeks ago when i stopped by to see the guys at appnut. i was complaining about my bursitis/ tendonitis acting up in my shoulder/elbow and not being able to w/o- it was bad i tell you. dirk gave me a bottle to try. Started feeling MUCHO better fast. All my joints feel better from my aches and pains and i feel like my range of motion (rom) has improved too. it will be a staple for me in the future. I just went to the appnut site to read the product info and yep, that's what it does- good stuff, guess i was lucky to get on it before it started hitting the shelves.....thanks dirk!!!