Orlistat

Also known as: Tetrahydrolipstatin, Alli, Xenical

Orlistat is a weight loss supplement that has gained popularity for its ability to aid in the management of obesity. Originally developed by Roche and marketed under the brand name Xenical, it is also available over-the-counter in a lower dose as Alli. Orlistat works by targeting the enzymes in the digestive system that break down fats, specifically lipase. By inhibiting the action of these enzymes, Orlistat prevents the absorption of approximately 25-30% of the fat consumed in a meal, which is then excreted from the body. This reduction in fat absorption can lead to a calorie deficit, which, ...

Potential Side Effects

Side effects score: 7; Orlistat is a weight loss supplement that can cause several side effects. Commonly, it may lead to gastrointestinal issues such as oily or fatty stools, frequent bowel movements, and an urgent need to go to the bathroom. Some people might experience stomach pain, gas, or diarrhea. Orlistat can also affect the absorption of fat-soluble vitamins, so it's important to take a mu