Functional Outcomes From Diets in Multiple Sclerosis

This study is comparing different diets to see which one best improves the daily functioning and quality of life of people with multiple sclerosis (MS) who are overweight or obese. **You may be eligible if...** - You have relapsing-remitting or secondary progressive MS - You have a BMI between 25 and 50 (overweight or obese) - You are able to walk at least 100 meters (with or without a mobility aid) - If you take MS medication, your dose has been stable for 6 months - You prepare your own meals or have significant input into what you eat **You may NOT be eligible if...** - You had an MS relapse in the last 30 days - You cannot walk 25 feet even with assistance - You are pregnant or breastfeeding - You use insulin or certain diabetes medications - You are already in a weight loss program Talk to your doctor to see if this trial is right for you.