Does alli have any side effects?
According to the manufacturer, while alli is safe when used as directed, there are certain digestive side effects that may result from eating meals with too much fat while using alli. These may include: oily diarrhea, rectal discharge, excess gas, and sudden loss of bowel control. Additionally, there is reduced absorption of the fat-soluble vitamins (Vitamins A, D, E, and K). Due to its risks and potential side effects, we recommend speaking with a physician first before taking the alli medication.