alli weight loss capsules

alli is an over-the-counter weight loss medication containing orlistat 60mg in capsule form, which helps reduce fat absorption in the digestive system. It supports weight loss when used alongside a low-calorie, low-fat diet.

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Prices from £39.99

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60 mg

84 capsule(s) - £39.99


Frequently asked questions

Do alli capsules help with fat loss?

While alli stops your body absorbing fat from food, it does not cause more ‘fat loss’ than any other method of weight loss. alli works by blocking around 25% of the dietary fat you eat from being absorbed, which helps to lower your calorie intake and promote weight loss. It works best for weight loss when it is combined with positive lifestyle changes, such as eating a low-fat, calorie-controlled diet and taking part in regular exercise.

Is alli an appetite suppressant?

No, alli is not an appetite suppressant, it is a lipase inhibitor. That means it works by reducing dietary fat absorption. Weight loss medications that are appetite suppressants include Mysimba, Mounjaro, Wegovy, and Nevolat. These work by acting on the areas of the brain that control hunger and appetite.

Does alli work if I don’t eat much fat?

alli does not work if there is no fat in your meal. If you don’t consume much fat in your diet, alli will have less effect, as alli stops around 25% of dietary fat from being absorbed. If you don’t eat fat, then alli may not be the right weight loss medication for you.

How long does it take to see weight loss results with alli?

On average, alli can take up to 3 months to be fully effective. However, some people have noticed results in as little as 2 weeks.

Can alli help with weight maintenance after losing weight?

No, once you start taking alli you will have a goal weight that you are likely to achieve if you follow the program correctly. Once you have reached this weight, there may be fewer results.

Is alli safe for long-term use?

No, alli is intended for short-term use. It must not be taken for longer than 6 months. If you have not lost at least 5% of your body weight in 12 weeks, your doctor or pharmacist may advise you to stop taking alli.

Can I drink alcohol while taking alli?

Yes, you can drink alcohol while taking alli. However, it is advisable to stick within the alcohol consumption guidelines of drinking no more than 14 units per week. Alcohol is high in calories, so can contribute to weight gain and slow down your weight loss journey.

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Medically reviewed by:
Dr Brenda Ikeji Medical Editor

Brenda studied medicine at St Georges University of London and has most recently worked in John Radcliffe Oxford University Hospitals, covering acute and general medicine.

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Last reviewed: 29 Jul 2025


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