The need for the maple syrup is to nurioush your body. If you're going to do the Master-Cleanse you need to have it. You can cut it down a little, but you cannot skip it all together. You can also use black strap molasses, but you need to have something. I don't know much about "juice fasting with broth and green drink" so I have no idea what the Master-Cleanse has to do with that. Here's the book online - you should read it before you do anything.