The vertebrates traditionally include the hagfish, which do not have proper vertebrae, though their closest living relatives, the lampreys, do. Hagfish do, however, possess a cranium. For this reason, the vertebrate subphylum is sometimes referred to as  Craniata  when discussing morphology.
Kitchari is an Indian dish often used for cleansing. When used alone as a mono-diet, it's called a kitchari cleanse, but it can be used in conjunction with other wholesome foods as a part of a cleansing diet. The link above has several different kitchari recipes.
Not necessary: You do not need to go through cleanse, just change your diet to fresh vegetables, fruits, whole grains, nuts, beans, legumes, lentils, low fat milk products; low in saturated fats; no tobacco and no more than one drink a day. Exercise 30 minutes each day. ...Read more.