The well-known symptoms of diarrhea is forcing users to stick to a low-fat diet:
The gross side effects might scare away the less-committed, but some experts appreciate Alli’s very real, very immediate consequences of cheating on your diet.
“It forces you to eat a lower-fat diet “” if you don’t, you’re violently penalized for not doing so,” says David Sarwer, the director of clinical services at the Center for Weight Loss and Eating Disorders at the University of Pennsylvania School of Medicine. “When they eat a little too much fat, they’ll learn not to do it again.”