Thanks for the replies.

Amy, I know what you mean about Science Diet. My vet recommended it for Riley, and as much as I didn't want to use it, it has helped his problem (too much poop ) 100%.
Since it works, and he likes it, I guess we have to stick with it, for now at least.

Dragondawg, thank you for your complicated, yet simplified reply
In your opinion, what is the best weight management food out there?