He hates being on a diet, so I would like to try and find as many foods that he is allowed to eat to keep him happy. I am aware that a Low Purine diet includes foods high in DNA and RNA, and excludes beans, nuts, sardines, animal organs and alcohol. The foods are low in DNA to be included in a low purine diet. Diet plays a minor role in the current treatment of gout. Weight loss is long term more important to the chronic gout patient than the specifics of diet.
Uric acid is the culprit.
Once these crystals form, the bodies immune system thinks they are foreign and attacks them. The gout is really your immune system attacking the crystals. This causes the pain and swelling. Losing weight is a great way to get ones uric acid down. He is taking allopurinol 300 mg now, but he needs help.