Alli is a FDA approved diet pill and is also known as Xenical and oristat. These are often given on prescription and can be bought over the counter. These are very popular due to them being clinically proven however they are known side effects and below are some of the common side effects users experience when using alli weight loss pills in addition to their weight loss regime.
Fatty/oily stool, oily spotting, intestinal gas with discharge, a feeling of needing to have a bowel movement right away, increased number of bowel movements, or poor bowel control may occur. These side effects may get worse if you eat more fat than you should.