Xenical & Diet

Medicines are made up of chemicals and other substances which have the potential to react with a wide variety of other substances in many ways. Sometimes and with some medications, your medicine might react with the food that you eat. This interaction between food and medicine could have an effect on your health, so it is important to be aware of the possible risks. It is likely that if there are any serious health risks associated with eating certain foods while taking Xenical, then you will be informed of this either by the person giving you Xenical (for example your doctor, prescriber or pharmacist) or it will be written on the packaging or the information leaflet which comes with your medication.

Xenical can make it harder for your body to absorb certain nutrients from your food while you are taking it. Xenical can in some cases reduce your body’s natural ability to absorb the vitamins A, D, E and K. Vitamins are important nutrients and a part of a healthy balanced diet which can aid your medical health. In order to counteract the potential effect of Xenical on your body’s ability to absorb these vitamins, you may wish to take vitamin supplements (for the above vitamins by way of individual vitamin supplement or a multivitamin supplement which contains all of these).


While you are taking Xenical you may have to rely on the information given to you (by your doctor, pharmacist, a medical practitioner, or the information on the leaflet or packaging of the Xenical medication itself) in order to structure your diet both to improve your chances of losing as much weight as you wish to lose and to reduce the chances that the Xenical medication will react badly with the food you eat. A healthy balanced diet and vitamin supplements will maximise the health benefits such as weight loss which you may experience, as well as keeping you in a good state of health while you are taking Xenical.

You can also control when and how much fat you consume in order to reduce your risk of side effects and also to maximise the effectiveness of the medication. It is advisable that you do not consume excessive amounts of fat (you may wish to reduce your daily fat intake by as much as you think is possible), and that you spread out the fat that you do eat in equal amounts across three meals each day. This means that rather than eating two healthy meals each day and one meal per day which is very high or much higher in fat, you should eat three meals per day which are relatively healthy and have roughly the same amount of fat as each other. A good way to do this might be to calculate roughly how much fat you would consume in an average meal on a normal day, then divide that amount by three and limit yourself to eating that amount of fat in each meal. If you consume a meal which is too high in fat then your chances of experiencing gastrointestinal side effects will increase as a result.

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