Juice a beetroot in the morning before you drink or eat anything. This is especially good for when you are doing a colon cleanse over a 2 week period. You can add carrots, celery, fresh ginger, garlic and apple. Check in the article 'What foods do to the Body' to see what benefits these vegetables have to the body.
Try to drink this juice within 30 minutes of making it otherwise it loses its nutrients. Wait for 30 minutes till you eat breakfast so the intestines can draw the nutrients from this juice which is necessary for the detox.