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Xenical Online Prescription Service

MyOnlineDoctor can provide you with an online prescription for the slimming pill, Xenical following an online consultation with our UK registered doctor.

As with any new treatment you are bound to have many questions about Xenical. Listed below are common questions and answers designed to provide first time guidance regarding the weight loss pill that is currently available with our service. If there is a question you would like to put to our doctor that is not covered below, please feel free to email the doctor on

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Reviews for Xenical

Xenical Score

4 out of 5 average
7 reviews

See all 7 Xenical reviews


What is Xenical?

Xenical (orlistat) is a prescription slimming pill used for weight loss along with a reduced-calorie diet and exercise.

Unlike other weight-loss pills, Xenical is not an appetite suppressant and does not have a direct effect on the brain. Instead, it works in your digestive system to block about one-third of the fat in the food you eat from being digested.


How does Xenical work?

Xenical helps block about one-third of the fat in the foods you eat from being absorbed by your body.

It does this by inhibiting lipase, an enzyme that breaks down fat in the intestine. Without this enzyme, fat from the diet cannot be absorbed and are excreted undigested. By consuming fewer calories, your body will automatically tap into its fat stores and use them for the energy it needs.


How well does Xenical work?

In clinical studies, almost two-thirds of people treated with Xenical weight loss pills plus diet successfully lost at least 5% of their body weight after 2 years. In comparison, only half of the people treated with diet alone managed to lose 5% of their weight.

Weight loss with Xenical and a healthy diet also improves a number of weight-related health risks. Studies show that weight loss with Xenical can:

  • Decrease total and LDL cholesterol (level of low-density lipoprotein-also known as bad cholesterol)
  • Improve ratio of bad to good cholesterol (LDL/HDL cholesterol)
  • Reduce blood pressure
  • Reduce levels of insulin (hormone that allows glucose or sugar to enter the body's cells), high levels of which are associated with coronary heart disease
  • Reduce the risk or delay the progression to type 2 diabetes in patients


How much weight should I expect to lose?

The amount of weight you lose depends on how well you follow thw guidelines for taking xenical. You need to stick to a reduced-calorie diet with no more than 30% of calories from fat and an appropriate physical activity level.


What is the correct dosage?

The recommended dose is one 120-mg capsule by mouth with liquid at each main meal that contains fat. Take this drug, generally three times daily during (or up to one hour after) each main meal that contains fat. Your daily intake of fat, protein and carbohydrate should be evenly spread over three main meals. If a meal is occasionally missed or contains no fat, skip that dose of the medication. Because this drug can interfere with absorption of fat-soluble vitamins (e.g., A, D, E, K), a daily multivitamin supplement containing these nutrients is recommended. Take the multivitamin at least 2 hours before or 2 hours after this drug (e.g., at bedtime). The effects of this drug may begin as soon as 1-2 days after treatment begins; noticeable weight loss will take longer.


How soon after starting Xenical should I expect to notice weight loss?

Typically, people begin losing weight within 2 weeks of starting Xenical slimming pills, and may continue to lose weight for 6 to 12 months, at which point weight loss usually begins to level off.


What are the side effects of Xenical?

All drugs have side effects, and Xenical is no exception. Xenical could be less severe than what someone would experience with many other weight loss pills. Intestinal side effects (e.g., poor bowel control) may become worse if you exceed your daily dietary fat allowance. Possible side-effects include:

  • Fatty / oily stool
  • oily spotting
  • intestinal gas with discharge
  • bowel movement urgency
  • poor bowel control
  • headaches may occur

If you notice other effects not listed above, contact your doctor or pharmacist.

Xenical treatment side effects are caused by the specific action of the medication which means that once you have understood its mechanism it is relatively easy to work out how to manage any unwanted effects. Xenical Orlistat is a drug which is not absorbed into the bloodstream; instead it works in the stomach and small intestine where it interferes with the normal metabolism of dietary fats. Xenical prevents fats from being broken down into digestible pieces, so these are passed through the gut in the faeces. By stopping your body from storing fat energy Xenical prevents you from putting on weight, and similarly forces your body to use up fat reserves it has already collected helping you to lose weight.

As Xenical filters fats, the most important course of action in preventing unwanted side effect is cutting down or cutting out all fatty foods from your diet. The most obvious things to reduce consumption of are: butter, margarine, oil (of any kind), cream, cheese and milk. This might require you to substitute products cream and milk with soya versions, and use a teaspoon to measure out small amounts of oil when you cook.
The best advice is to plan all your meals at home and research which ingredients are best suited to a low fat diet. Try to cook all your meals from scratch using non-processed foods, so you are in control of what goes into your meals, and steam or boil food where possible. Avoid eating pre-packaged or processed food, but if you must eat these foods, check the labelling to find out the quantity of fats contained and make sure the total fat content is no more than 30g per 100g. Eating a low fat diet will certainly help you to manage the most embarrassing side effects caused by the medication and complement Xenical’s fat blocking action.


Is there any reason why I shouldn’t take Xenical?

Do not take Xenical wight loss pills without first talking to your doctor if you have

  • A chronic malabsorption syndrome, or gallbladder problems
  • diabetes
  • anorexia or bulimia
  • take any other weight-loss medicine
  • take cyclosporine (Sandimmune, Neoral)
  • have a history of kidney stones

You may not be able to take Xenical, or you may require a dosage adjustment or special monitoring during your treatment if you have any of the conditions listed above.

Xenical is in the FDA pregnancy category B. This means that it is not expected to harm an unborn baby. Do not take Xenical without first talking to your doctor if you are pregnant.

It is not known whether Xenical passes into breast milk. Do not take Xenical without first talking to your doctor if you are breast-feeding a baby.

Discuss with your doctor all medications you are currently taking (including over-the-counter medicines and herbal products you can get without a prescription) to determine if Xenical can be taken along with these medications. If you are taking cyclosporine, let your doctor know before taking Xenical; cyclosporine and Xenical should be taken at least 2 hours apart. If your cyclosporine levels are being measured, more-frequent measurements may be necessary while you’re taking Xenical.


Where can I buy Xenical?

Xenical slimming pills can be prescribed online by our doctor following a free online consultation. Simply complete our registration form which will then be reviewed by a doctor. Once you have been cleared for treatment you can then log into our secure treatments area, from there you can buy Xenical.

Orders placed before 3pm Monday to Friday will usually be dispatched same day for next day delivery. However, we can only guarantee this if the order is placed before 11am.


Reviews for Xenical

xenical with fatty food

Reviewed by Audrey on .

I only take it with fatty meals, and it definitly helps.

xenical side effects

Reviewed by Lenny on .

I've lost 3 pounds but the side effects are just... a bit gross

a little help

Reviewed by Gary on .

I used to put on weight all the time but now with Xenical I can manage to stay at the same weight and even lose some.

slow process

Reviewed by Gemma on .

I've been using Xenical for about a month now. At first I couldn't see any improvements but I've lost a bit of weight now. It's been a slow process for me, but I'm getting closer to my goal everyday. So I'm glad and I will keep taking it.

2 Xenical per day

Reviewed by Karim on .

take two a day,makes them last longer cos ther are expesive but worth it as the pounds have come off

Xenical helps

Reviewed by lili on .

xenical gives me hope to control my weight without sacrificing fatty meals that I ocasionlly want to share it with my family.

Xenical gives me confidence

Reviewed by Jill Wiseman on .

I find that Xenical gives me confidence and helps me to continue on the right track. I have tried several times to stop taking it and see how I do but I inevitably start gaining weight again. I find that its because Xenical gives me that confidence to try harder.

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