Answers from Ronenn Roubenoff, MD, MHS Are weight control programs safe for people with lupus? Are vegetarian or vegan diets okay for people with lupus? Should a person with lupus eat fruit and vegetable juices if they don't have an appetite, or am too nauseated to eat whole foods? What should a person with lupus know about taking herbal supplements? Should a person with lupus take extra vitamins and minerals? Should a person with lupus be on a gluten-free diet? Should people with lupus stop eating red meat? Are there foods that might cause a lupus flare?