What do I, personally, think about enzymes? Get some with the essential oils in them that are timed release. Oils and digestive enzymes combined were a life-saver for me when my colon was in bad shape. There's http://www.docsprefer.com or just the plain NOW variety in your health food store. My favorite ones come from Young Living Essential Oils company.
Remember that castor oil can act as a laxative, but a TBSP a day will help kill a tapeworm and will help kill the microscopic bugs off. Don't forget the packs on your liver are very healing, but messy.