Try the Mediterranean diet or Dr. Andrew Weil's diet, which combines aspects of the Mediterranean diet with Asian cuisine to make it more anti-inflammatory.
The most common cause of elbow joint inflammation is when you're consistently keeping your elbow on a hard surface or keep hitting your elbow. For instance, if you're an Uber...
The first starting place would be to try walking and heel exercises. Perform exercises that will help get your muscles pumping again. If that's not working, you can also try...