liver/cleansing/cravings

Question: I'm wondering if it's possible that cleansing the liver (and bowels or cleansing in general) can eventually eliminate cravings. I'll eat something as simple and natural as a banana, which I've read is starchy, and I'll have a strong craving reaction. That just doesn't seem right. I really thing my good eating habits would be more consistent if I didn't get set off so easily. Any thoughts?

(FYI - I just did Schulze Bowel Cleanse and am now doing the liver cleanse, both of which are supposed to have anti-parasitic herbs, I believe. I've done other cleanses in the past, particularly Master-Cleanse and bowel cleansing.)