Does Alli work

Well you might say 'Who's Alli' if you have had your head under a rock, but as this fat-fighter grows in reputation, plenty of people as asking the question: does alli work?
In fact, I notice now, that other mainstream branded products are starting to state that they have alli in their ingredients, adding to the reputation of alli itself.
However, it is worth noting that any product that may have a significant effect on your body, even a positive one like weight-loss, can also be detrimental. It is always advisable to seek as much information about products like this before you think about embarking on a course of treatment.
Conversely if a product has few 'side-effects', it is probably fairly ineffective...