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First, there are many forms of arthritis, each of which differ in the do's and don'ts of diet. So, the answer is that it depends to some degree on the form of arthritis.
People with gouty arthritis should tend to avoid red meats, shellfish, alcohol, fructose (such as from corn syrup in soft drinks, etc.), and dehydration. At the same time, dairy products such as lowfat milk and yogurt, as well as adequate hydration, and cherries are encouraged in people with gout.
People with inflammatory arthritis, such as rheumatoid arthritis, may benefit by taking the omega-3 fatty acids that are in the oils of fish, particularly salmon. Sometimes minimizing salt intake can reduce swelling in the tissues of the hands and feet that can aggravate inflammatory arthritis.
It is worth noting that none of the dietary recommendations or supplementations have been proven to stop the progression of any of the forms of arthritis.
Medically reviewed by Robert Bargar, MD; Board Certification in Public Health & General Preventive Medicine
"Complementary and alternative remedies for rheumatic disorders"