The Basic Information About Orlistat

According to statistics from the World Health Organization (WHO), nearly 2 billion people are overweight or obese worldwide. Every year, overweight or obesity causes 2.8 million deaths.  


Whats Orlistat?


Orlistat is a lipase inhibitor used in the treatment of obesity that works by inhibiting fat-metabolizing enzymes. It was originally approved by the FDA in 1999 as the prescription drug Exenical, was approved in 2007 as the over-the-counter medication Alli. It has been the most commonly used medicine to treat obesity for more than a decade. This drug is a generally well-tolerated and effective weight-loss aid.


Whats the mechanism of action?


Orlistat is a drug designed to treat obesity. Its a potent and selective inhibitor of various lipase enzymes responsible for the metabolism of fat. It acts in the gastrointestinal (GI) tract via covalent binding to the serine residues located on the active site of both gastric and pancreatic lipase. When orlistat is taken with food containing fat, it partially inhibits the hydrolysis of triglycerides. This decreases absorption of monoaclglycerides and free fatty acids, contributing to weight maintenance and weight loss.


Whats the side effects of the Orlistat?


The main side effects of this drug are related to the gastrointestinal tract.


Abdominal pain or discomfort:

Oily discharge from the anus

Gas with oily anal discharge

Oily stools

More-frequent bowel movements

Urgent or hard-to-control bowel movements


Other possible side effects include:


Back pain

Upper respiratory infection


Orlistat is approved for use in adults 18 and older who have a body mass index (BMI) of 25 or more. Xenical is approved for use in adults with a BMI of 30 or more (obese), and those with a BMI of 27 to 29 (overweight) who have other health risk factors such as high blood pressure or diabetes.


Huateng Pharma is a global supplier of pharmaceutical intermediates, PEG derivatives, excipients, APIs and other chemical products. We are dedicated to supplying a wide range of pharmaceutical intermediates to serve customers in the world, such as anti-cancer series, anti-viral series, anti-diabetic series, antihypertensieve series and so on. We supply 3-Hexyltetrahydro-4-hydroxy-6-undecyl-2H-pyran-2-one (CAS NO.104801-96-9) with capacities varying from gram to kilograms to multi tons with high purity to our customers all over the world. It is used in preparation of Orlistat impurity F for quality control of Orlistat and its active pharmaceutical ingredient. This product is an intermediate of Orlistat and ready for mass production. 


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