Depends on how many times you're going; but you may not need a prep. This is the first time in years that I've actually needed a little help with it. All of my scopes have been done without any prep.
I'm just using coffee for mine tomorrow (as an experiment) but my GI knows of my plans.
Post Edited (U B Tough) : 3/29/2016 2:07:03 PM (GMT-6)