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Orlos Capsules

  • Clinically proven weight loss aid for adults with a BMI of 28+
  • Prevents absorption of 25% of dietary fat
  • Works alongside a reduced-calorie, lower-fat diet
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Fast & Free Delivery Options

Variety of delivery options including next day & free delivery.

100% UK-based Pharmacy

Pharmacy, clinic and prescribers based in Greater Manchester.

Free Online Consultations

Start your treatment with a quick and free online consultation.

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Orlos Capsules for Weight Loss

Medication Name Orlos 60mg Hard Capsules
Medication Form Hard capsule
Used For Weight loss in overweight adults with a BMI of 28 or above
Who Can Use Adults aged 18 and over
Active Ingredient(s) Orlistat 60mg
Usual Dose One capsule three times a day with each main meal
Common Side Effects Oily or fatty stools, wind, sudden bowel motions
Prescription Required No
Patient Information Leaflet Orlos 60mg Capsules Patient Information Leaflet

What is Orlos used for?

Orlos is a weight loss treatment for overweight adults with a body mass index (BMI) of 28 or above. It’s designed to help you lose weight alongside a reduced-calorie, lower-fat diet rather than on its own.

How does Orlos work?

Orlos contains 60mg of orlistat, which works in your digestive system rather than impacting your appetite. As your food is digested, it stops about a quarter of the amount of fat in your meals from being absorbed. That undigested fat then passes out of your body in your stools.

Since Orlos only acts on the fat that’s actually in your meals, it works best as part of a reduced-calorie, lower-fat diet. Unabsorbed fat can cause digestive side effects, so sticking to lower-fat meals is the best way to manage these effects.

Orlos can support weight loss when combined with your diet, helping you lose more than diet alone. For every 2kg (4lb) you lose through dieting, Orlos can help you lose around 1kg (2lb) more.

Who can use Orlos?

Orlos is suitable for adults aged 18 and over who are overweight and have a BMI of 28 or above. It isn’t suitable for children or anyone under 18 or during pregnancy or breastfeeding.

Don’t take Orlos if you:

  • Are allergic to orlistat or any of the other ingredients
  • Are pregnant or breastfeeding
  • Have cholestasis, a condition where the flow of bile from the liver is blocked
  • Have long-term problems absorbing food (chronic malabsorption syndrome) diagnosed by a doctor
  • Take ciclosporin, warfarin or other medicines that thin the blood

Orlos also isn’t recommended if you take acarbose, a medicine for type 2 diabetes.

Speak to your doctor or pharmacist before taking Orlos if you:

  • Have diabetes, as your anti-diabetic medicine may need adjusting
  • Have kidney disease or other kidney problems, as Orlos has been linked to kidney stones in people with chronic kidney disease
  • Take medicines for HIV, epilepsy, depression or other mood and anxiety disorders
  • Take a thyroid medicine such as levothyroxine
  • Take medicine for high blood pressure or high cholesterol

How To Take Orlos

The recommended dose for adults is one 60mg capsule three times a day, taken with your three main meals.

  1. Take one 60mg capsule just before, during or up to one hour after each main meal. For most people that means one at breakfast, one at lunch and one with your evening meal.
  2. Swallow each capsule whole with water.
  3. If you skip a meal or your meal contains no fat, skip that dose too, as Orlos only works with meals that contain fat.
  4. Don’t take more than three capsules in a day.
  5. Take a daily multivitamin at bedtime, a few hours after your last dose, as Orlos can lower how much of some vitamins your body absorbs.

Keep your meals well-balanced, lower in fat and reduced in calories, as this helps the capsules work and keeps digestive side effects to a minimum. Try to be more active before you start and while you’re taking Orlos capsules, checking with your doctor first if you haven’t exercised in a while.

Don’t take Orlos for longer than six months. If you haven’t lost weight after taking it for 12 weeks, speak to your doctor or pharmacist, as it may not be the right treatment for you.

Side Effects of Orlos

Like all medicines, Orlos may cause side effects, though not everyone gets them.

Most are linked to the way it works, as the fat your body doesn’t absorb passes out through your bowel. Keeping to lower-fat meals usually helps keep these to a minimum and they often settle as your body adjusts.

Very Common Side Effects

These may affect more than 1 in 10 people:

  • Wind, with or without oily spotting
  • Sudden bowel motions
  • Oily discharge
  • Fatty or oily stools
  • Soft stools

Common Side Effects

These may affect up to 1 in 10 people:

  • Stomach pain
  • Difficulty controlling bowel motions
  • Runny or liquid stools
  • Needing to open your bowels more often
  • Anxiety

Orlos can also cause changes that show up in blood tests, including small rises in some liver enzymes and effects on blood clotting in people taking warfarin or other blood thinners. Tell whoever takes your blood that you’re using Orlos.

Serious Side Effects

Stop taking Orlos and get medical help straight away if you notice:

  • Signs of a serious allergic reaction, such as severe breathing difficulties, sweating, a rash, itching, a swollen face, a rapid heartbeat or collapse
  • Bleeding from your back passage
  • Severe stomach pain, which can be a sign of pancreatitis, gallstones or diverticulitis
  • Yellowing of your skin or the whites of your eyes, dark urine or itching, which can be signs of a liver problem (hepatitis)
  • Blistering of the skin
  • Severe pain in your side or back, which can be a sign of kidney stones

If you notice any side effects, including any not listed here, tell your doctor or pharmacist. You can also report side effects directly through the Yellow Card Scheme.

Orlos 60mg Capsules Ingredients

Active ingredient: orlistat 60mg

Capsule filling: microcrystalline cellulose (E460), sodium starch glycolate (type A), silica colloidal anhydrous and sodium laurilsulfate

Capsule shell: gelatin, titanium dioxide (E171) and indigo carmine (E132)

Warnings and Precautions

  • Severe diarrhoea can stop the contraceptive pill working properly. If this happens while you’re taking Orlos, use an extra method of contraception until things settle.
  • Tell your doctor or pharmacist about all the medicines you take, including anything bought without a prescription and herbal remedies, as some can be affected by Orlos.
  • Orlos doesn’t affect your ability to drive or use machines.
  • Store Orlos below 25°C, keeping the capsules in their original packaging to protect them from light and moisture.
  • Keep Orlos out of the sight and reach of children.
  • Don’t use Orlos after the expiry date printed on the packaging.

Orlos Capsules Reviews

Orlos Capsules FAQs


Orlos is orlistat, sold under a brand name at the 60mg strength, so it isn’t a different medicine from unbranded orlistat.

Orlos and Alli are both 60mg orlistat capsules that work in the same way, so there’s very little difference between them. Xenical is orlistat too, but at a higher 120mg strength that a doctor has to prescribe.

There are other alternative weight loss options as well, including appetite-based weight loss medication like Wegovy. No single one is best for everyone, so it’s worth talking through your options with a doctor or pharmacist.

The amount of weight you lose depends on your starting weight and how closely you stick to a reduced-calorie, lower-fat diet.

A realistic goal is to aim for between 5% and 10% of your starting weight, which gives you a good chance of hitting your weight loss goals. Losing it and then keeping it off is really about weight management over time, through lasting changes in how you eat and how active you are, rather than the capsules alone.

Orlos is a Pharmacy (P) medicine, so you can get it without a prescription, though a pharmacist will need to check that it’s suitable for you first. You can buy Orlos online from Click2Pharmacy by completing a short consultation for our pharmacists to review and, once approved, your Orlos weight loss capsules are discreetly delivered to you.

Taking a daily multivitamin is a good idea while you’re on Orlos. Because it blocks some of the fat in your food, it can also reduce the amount of certain vitamins your body absorbs. Taking your multivitamin at bedtime, when there’s no Orlos in your system, gives those vitamins the best chance of being absorbed.

There aren’t foods you have to cut out completely, but Orlos works best as part of a reduced-calorie, lower-fat diet. Try to spread your fat, carbohydrate and protein fairly evenly across your three main meals and go easy on high-fat foods. Meals that are too high in fat don’t make Orlos work any better and they make the digestive side effects more likely.

Exercise isn’t compulsory, but being more active makes a real difference to your weight loss journey and helps you keep the weight off. Regular physical activity, even something gentle like walking, supports what Orlos and your diet are doing. If you haven’t exercised in a while, check with your doctor before starting anything new.

If it’s less than an hour since your last main meal, you can still take the missed capsule. If more than an hour has passed, skip it and take your next capsule with your next main meal as usual. Don’t take two capsules at once to make up for a missed one.

Weight loss with Orlos is meant to be gradual rather than dramatic. A steady pace of about 0.5kg (1lb) a week is the aim and it’s normal for the amount to vary from one week to the next. You might not notice much in the very early days, so give it a fair go alongside your reduced-calorie, lower-fat diet.

Orlos is meant for short-term use and shouldn’t be taken for more than six months at a time. If you’re losing weight steadily and getting on well with it, that’s usually long enough to kick-start lasting changes to your eating and activity. If you feel you need help beyond that, speak with your doctor or pharmacist.

Our Experienced UK-based Pharmacy Team

Clinical Consultant
MUDr, MRCEM, EBCEM, FRCEM
GMC no. 7176414

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Page content authored by Amjad Khan, last reviewed by Dr Hussain Ahmad on 17th July 2026.