I could never take the IF#1 as it gave me the runs - even with just one capsule. I hated the senna tea in the Colonix - it gave me headaches. I don't think the Oxypowder will make you dependent - they even recommend you can take it every other day permanently. I had such great success on that cleanse I may go back to their maintenance program for a while until I start feeling better.
I also find colonics expensive and take triphala and fiber capsules to help me have a bm. I didn't have to take those while on the Oxy.
I know the Colonix cleanse works great for many people - I am just not one of them. I found some of my other cleanses worked much better and didn't leave me feeling so poorly for the duration of the cleanse.