Some experts consider a plant-based or vegan diet to be the least inflammatory, and it's important to avoid any processed foods, sugar, and excess fat. A recent British study showed we warriors feel better eating more plant foods and getting rid of DAIRY in particular. Dairy is very inflammatory. I've written much more about diet if you want to look at my profile.
I just started the autoimmune protocol diet, it seems to be working good so far.
I recently discovered that gluten free works for me. I have less pain, recovery more quickly, with far less reliance on pain meds.