What are bowel cleaning better?

As non cleaning bowel are many diseases attacking you till appendix, chronic hard stool, hemorrhoid, diverticulitis, duct cancer, inflammation, as face colour affecting on with acne, wrinkles, but what is to do?Drink laxative?As they are loosing and benefit substances from organism, as other methods adding a meal of fibers, as not chemo of, these are meal s, why they are good?
Passing in gastrointestinal are absorbing slags, junk, as removing an all.
As she has delay bacterias, microbes growing.
Removes nitrates,which we are getting from vegetables,fruits.
Low cholesterol.
Yes,she is importance in fighting with diabetes, heart diseases, obesity.
As who interesting in slimming use fibers,the are less calorie,  but theirs digesting over are needing much energy, as without a physic loads entering in menu her, you are losing 150 kcal, as for burn this you need run on 20 minutes, as fibers many in brown rice, fresh vegetables, fruits, as in fibers her is more on 40 percent, thus doctors advising brands chopped adding in soups, porridge's, as not changing meal taste, but benefit.But today are selling rusks of brands are changing on bread, but same fibers getting for are non avoiding work, eating within a day are 4 portions of kidney beans, or ten bananas or 6 portions of brown rice, or 30 pieces of bread of not sieved flour, but am sure such peoples are not many doing this, thus enter in meal brands or seed bread, but doctors advising to be a care in gastrointestinal diseases with fibers, as selecting theirs checking on packet, as fiber entering in product of vegetable origin, not use a packet with a non natural fiber containing.