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A vegetarian diet probably won't cure your diabetes. But it may offer some benefits over a nonvegetarian diet. For example, it may help to better control your weight, reduce your risk of some diabetes-associated complications and make your body more responsive to insulin.
There's no single vegetarian eating plan. For example, some allow dairy products or eggs, while others don't allow any animal products (vegan). The benefits of a vegetarian diet depend on the type of diet you choose and the food choices you make when following the diet. For most, however, eating a vegetarian diet:
Improves blood sugar control and insulin response. Eating vegetables, fruits, whole grains, legumes and nuts — features of a vegetarian diet — can improve blood sugar control and make your body more responsive to insulin. This may mean taking less medication and lowering your risk of diabetes-related complications.
But even a vegetarian diet can have harmful effects on blood sugar if it is rich in simple carbohydrates — especially starches, such as potatoes, pasta, white rice and white bread.
If you're considering a vegetarian diet, it may be helpful to speak with a nutrition specialist. He or she can help you create an eating plan that provides all the necessary nutrients and the right number of calories to maintain a healthy weight. As with any diet, it's important to stay within an appropriate calorie range to lose weight if that's your goal.
M. Regina Castro, M.D.
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