You may have heard a lot lately about the cruciferous vegetables: broccoli, cabbage, cauliflower and brussels sprouts. Studies show they are a highly desirable addition to your diet. They reduce toxins in the intestinal tract and help prevent cancer--especially colon cancer. Their only downside is their high sulfur content, which disagrees with some peoples' digestion.
Consume healthy inulin. You can find this in leeks, artichokes, and garlic. Inulin is a carbohydrate that is quite dramatic. It helps you lose weight and prevents digestive issues. Additionally, garlic helps build immunity. If you're afraid you'll get garlic breath, you can blanch the garlic to cut back on the odor.