Does orlistat work? Studies have shown that, on average, orlistat, plus a weight-reducing diet and exercise, causes more weight loss than a weight-reducing diet and exercise alone. Some people lose 10% or more of their body weight within six months with the help of orlistat. In others, it is less effective.

How fast do you lose weight after starting Xenical?

You should see some weight loss within 2 weeks after you start orlistat. Tell your doctor if your condition does not improve or if it worsens.

Does Xenical make you lose weight?

In fact, when combined with a healthy diet, 4 out of 10 people taking Xenical lose 10% of their body weight in a year. People who take the capsules are considered twice as likely to lose weight than those who do not use them as part of their weight loss efforts.