Here is the best review I could find:
Alli Side Effects In Layman's Terms
by Jeff Kay
Alli is a new over-the-counter weight-loss pill which, predictably enough, has proven to be a massive best-seller from the moment it became available. The drug, manufactured by GlaxoSmithKline, reportedly works by blocking the absorption of excess fats by the body. And folks are waddling, not walking, to their local drug stores for a chance to start on the Alli "program."
As is the case with most drugs, Alli comes with a risk of certain side effects. Or, as they're known on the company website, treatment effects.
A person is reportedly limited to 15 grams of fat per meal, and if they go over (or even if they don't), there's a significant chance they'll find themselves out behind a shopping center somewhere, crying and clutching a wad of horrifyingly soiled undergarments, searching for a place to ditch it.
As best as I can tell, anyway...
Since a lot of this stuff is couched in language that is technically truthful, but very carefully worded, I've taken it upon myself to go through the list of side (treatment) effects and warnings, and translate it all into layman's terms.
I'm no scientist or doctor, and don't pretend to have any special knowledge. I'm just a person who's fairly good with words and reading between the lines... The highlighted phrases below are direct quotes from the Alli website, with my translations in between.
Undigested fat cannot be absorbed and passes through the body naturally. The excess fat is not harmful. In fact, you may recognize it in the toilet as something that looks like the oil on top of a pizza.
Here the drug makers are trying to soothe the nerves of the skeptical fatty, by speaking their language. Pizza is something fatties understand, and a big part of the reason they’re interested in Alli to begin with. Pizza is good, pizza is reassuring… even when it’s flowing from your ass like molten lava.
The website mentions seeing the undigested fat in a toilet, but that’s clearly a best case scenario. You might also see it on the tops of your shoes, across the hood of a car, or way up the shower curtain, near the loops.
The fat passes out of your body, so you may have bowel changes, known as treatment effects.
Bowel changes. Notice how they phrase that? It means stuff will be happening the likes of which you could never have imagined. It’ll be like a daily Dean Koontz novel inside your underwear.
You may get:
gas with oily spotting
You’ll be farting Wesson oil straight through your Dockers…
loose stools
and having violent chipped beef explosions...
more frequent stools that may be hard to control
all the time, with a sphincter that can no longer be counted as a friend.
Eating a low-fat diet lowers the chance of these bowel changes. Limit fat intake in your meals to an average of 15 grams.
The McDonald’s Big Mac has 34 grams of fat, and the Burger King Whopper has 40. Eat either of these while taking Alli, and you’ll very likely be transformed into a diarrhea cannon.
Learning how to manage treatment effects is an important part of being successful with alli. Here's how to take control:
Start trimming fat from your diet now, even before you begin taking alli. Then pick a day to begin taking alli, such as a weekend day so you can stay close to home if you experience a treatment effect. Make the timing work for you. If you're getting ready to travel or attend a social event, hold off on starting with alli until the event is over
Blowing liquid feces down a row of bridesmaids, for instance, could be viewed negatively in certain circles. Further, an unexpected bout of the power-squirts while riding “The Bullet” at the county fair might not ingratiate you with your friends. Or anyone on the fairway. Or the folks in the parking lot walking to their cars.
While no one likes experiencing treatment effects, they might help you think twice about eating questionable fat content. If you think of it like that, alli can act like a security guard for your late-night cravings
You see, when you think about it, shitting yourself is actually a positive.
You can't "save fat grams" from lunch and "spend them" at dinner. Spread your daily fat gram allowance of 15 grams on average per meal over the whole day
Cheating can lead to embarrassment, tears, and the introduction of a frantically constructed toilet paper crack-wedge in the bathroom of an Applebee's. It’s simply not worth it.
You may feel an urgent need to go to the bathroom. Until you have a sense of any treatment effects, it's probably a smart idea to wear dark pants, and bring a change of clothes with you to work
Until you get the hang of it, you should probably take along a rolling suitcase full of brown clothes everywhere you go, while taking Alli. Luckily, however, turd-colored clothing is in this season; turd is the new vomit.
If co-workers ask about it, there is no shame in telling the truth. You might be surprised how understanding folks can be if you simply say, “I dress like this to conceal the poop that's constantly soaking through the seat of my pants.”
You may not usually get gassy, but it's a possibility when you take alli. The bathroom is really the best place to go when that happens
Showboating is not recommended.
You can use a food journal to recognize what foods can lead to treatment effects. For example, writing down what you eat may help you learn that marinara sauce is a better option than Alfredo sauce
In addition to a handcart full of extra pants designed to camouflage your anal leakage, it might also be a good idea to carry a schematic and information wheel, so you don't repeat past mistakes and have a treatment effect halfway up your back.
I hope this information has proven to be valuable.