Keep in mind that nuts are rich in calories, so eating too many of them could cause you to gain weight. Being overweight or obese are risk factors for gout and diabetes. Seafood and organ meats are the foods highest in purines. Canned sardines contain 399 milligrams of purines per 3.5 ounces, and chicken liver has 243 milligrams of purine in the same size serving. You should also avoid game meats, meat gravies and yeast.

Compounds found in some foods called purines break down in the body to form uric acid. So a diet for gout sufferers relies on foods with low levels of purine. Some high-purine foods or purine-producing foods to avoid include fried foods, alcohol, fatty foods, organ meats, herring, mackerel, scallops and high-fat snack foods such as chips.