Diet?

So I am trying this stuff because there's a bunch of fuss that it works and I got a free 15 day trial (just paid $10 shipping). It's a mix of an Acai supplement and a Colon cleanse supplement and it's supposed to make you lose weight without exercise or changing your diet. I figured, what better time to try it then as the Holiday's are winding down? I am on day two. One thing I did already notice is that I have lost a lot of water but not sure if that's just because I got all sugared out and haven't ate nearly as many sweets yesterday and today as I have for the last two weeks. I weighed myself this morning and was two lbs lighter than yesterday... Coincidence? We shall see....