I just started taking alli on Friday, although I started the alli diet plan about 3 days earlier. Instead of experiencing treatment effects, I've been constipated ever since taking the pills. I'm averaging 15 grams of fat per meal, although I went up to about 20 grams once, and have had some meals, mostly breakfasts, that were 6-7 grams of fat, and for which I did not take an alli pill.  I'm also drinking about 8 glasses of water daily, although I haven't read anything in the alli literature concerning water intake. Am I doing something wrong?

 I read some info on Xenical, and it said some people experienced this issue when taking it.  I have to imagine that since Alli is the same thing, only a smaller dose, this could happen.

eat lots of fiber.

I haven't skipped a pill yet, kept my fat grams under 15 and am having a problem with constipation, too. I'm going to add a fiber supplement...hope that doesn't take things to the other extreme!

 i have experienced the same problem. i only go just a little at a time. my first thought was 'great...even this isn't going to work"! :(

i hope as i take it longer it gets better.