2. Onion: - Onions can promote gastrointestinal movement and strengthen digestion. Its sulfur combined with protein benefits the liver most, thus contributing to detoxification. The "warm" property of onion enables easy sweating and rowing edema. Sulfur compounds can rid the pesticides and other undesirable substances. Recommendation: Add raw onions in a sandwich; add diced onions to soup with broccoli, carrots, celery and other high-fiber vegetables in order to break down toxins accumulated in the body and to help bowel movement.