I've heard of it but never tried it myself. They talk about it on "The People's Pharmacy" (radio show on local NPR)...you may want to Google their website.
My ole granny swears by the stuff, but being a true southern Baptist she will not step foot in the booze barn to buy it so she makes me do it. The only difference is she prefers rum
For joint pain, I swear by a small glass of Welch's grape juice with a teaspoon of pectin (Sure-Jell) in it. I have osteoarthritis in several joints, as well as hip joint damage from old radiation therapy. The juice and jell have helped tremendously.
Gelatin is listed all over the web as a great reliever of joint pain.
Does Jello Give the Same Health Benefits as Plain Knox Gelatin?
The same health benefits seen in daily consumption of Knox Gelatin such as arthritis pain relief can be found in regular dessert Jello, but the downside is you would need to eat at least half a box each day to get the same medicinal benefits, and that's a lot of Jello. Most people prefer the powdered form of Knox Gelatin that can be easily mixed with water and other beverages.