Order prescription weight loss tablets in the UK

Weight loss tablets will help you lose those pounds faster, especially when used as an addition to a healthy, balanced diet and a reasonable exercise plan.


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Prices exclude a prescription fee. This treatment requires a quick online consultation, which a doctor will review to determine if a prescription is appropriate.


What causes obesity?

The leading causes of obesity are diet and lifestyle. Overeating, or eating too much of foods that are high in fats and sugars, leads to energy being stored as fat, particularly when combined with a lack of physical activity. A poor diet is often defined by the following factors:

  • Eating larger portions than necessary
  • Eating large amount of processed and fast foods which are high in fat and sugar
  • Drinking too much alcohol, which contains a lot of calories
  • Drinking sugary drinks, such as fizzy drinks, soft drinks and fruit juices
  • Eating out too often. Food served in restaurants is often high in fat, sugar and salt, and people are often tempted to eat a starter and desert in addition to their main meal
  • Comfort eating or boredom eating

A lack of physical activity or exercise is another leading cause of obesity. It can be hard to find the time to exercise regularly if you are busy with work, a problem aggravated by the fact that many jobs entail sitting at a desk for most of the day. The Department of Health recommends at least 150 minutes of moderate exercise, such as walking, running ow fast walking, every week.

Obesity can also have genetic or medical factors. Certain genetic traits make some people more prone to putting on weight than others, but there is no reason not to make an effort to lose weight. Obesity that runs in families is often more to do with environmental factors and learned habits, such as a poor diet and low incentive to exercise. Underlying medical conditions that may contribute to obesity include having an underactive thyroid gland (hypothyroidism) and Cushing’s syndrome. If treated properly, the impact of these conditions on weight gain can be effectively reduced.

What are the risks of being overweight?

Obesity is a serious issue that can lead to severe or even life-threatening health complications. People who are obese are at a much higher risk of developing type 2 diabetes, coronary heart disease, certain types of cancer such as breast or bowel cancer, or of suffering a stroke. Obesity can also greatly affect your quality of life and have a significant impact on your mental wellbeing.

Am I overweight/obese?

The most commonly-used method of defining obesity is the body mass index (BMI). The BMI is not definitive, but is helpful in measuring whether a person is a healthy weight for their size. A adult with a BMI of 30 to 39.9 is generally considered to be obese, while a BMI of 40 or above is deemed morbidly obese. Some people may have a high density of muscle but little excess fat, in which case their BMI will be high but not cause for a diagnosis of obesity. Excess fat can also be measured by waist circumference.

Who can use weight loss tablets?

Weight loss tablets should only be used on the instruction of a doctor, and are only prescribed where efforts to lose weight through diet and exercise have previously failed. A doctor will only prescribe weight loss medication where the patient has a BMI of 30 or above, or a BMI of 28 or above combined with weight-related health risks such as diabetes or high blood pressure.

How effective are weight loss tablets?

Prescription weight loss tablets are only effective when taken in combination with a low-calorie diet and suitable exercise plan. As such, their effectiveness differs from patient to patient, and they are only prescribed where attempts at making lifestyle changes have been made and failed to achieve sufficient results.

Are weight loss tablets safe?

Weight loss tablets should only be taken on the recommendation of a doctor and are only considered safe and effective when accessed on prescription. Many forms of weight loss medication can be purchased over the counter, but more often than not prove to be ineffective and can be dangerous.


Prescription vs over the counter weight loss tablets

The only weight loss medication to be proven safe and effective is Orlistat (Xenical), which can only be accessed on prescription following a consultation with a doctor. A version of Orlistat, Alli, can be purchased over the counter at a much lower dose under the supervision of a pharmacist. However, other over-the-counter slimming products often lack clinical evidence to suggest they are effective and sometime lack sufficient information in the packaging. Products which promise a ‘quick fix’ can be dangerous and should be avoided, as losing too much weight too quickly can often do more harm than good. If you are going to buy an over-the-counter weight loss product, speak to a pharmacist for advice and always chose one which comes with an additional dietary plan. Losing weight healthily and sensibly by making long-term changes to your lifestyle is by far the most effective method, and no weight-loss product will be able to help if you continue to maintain a high calorie diet.

How to use weight loss tablets

The only weight loss medication to be deemed safe and effective for prescription in the UK is Orlistat, also known as Xenical. Orlistat is only effective when taken in combination with a calorie-controlled diet and exercise program, and will only be prescribed if you are dedicated to making these lifestyle changes. One tablet should be swallowed directly before, during, or within an hour of each meal. If you miss a meal, or know for certain that your meal did not contain fat, you do not need to take a tablet. For best results, you should avoid snacking on fat-containing foods in between meals. If you forget to take a tablet, try and take it within an hour of finishing your meal. If an hour has already passed, just skip the dose and take your next tablet at the normal time. You should never take a double dose to make up for a missed one.

Setting healthy weight loss goals

To lose weight healthily and sustainably, you should aim to lose about 0.5 to 1 kg, or 1 to 2 lbs, per week. Losing too much weight too quickly can be dangerous, so it is important to set yourself short term goals and work towards them. Try joining a weight loss group for support, or speak to a healthcare professional for advice on setting your personal goal. 

Alternatives to weight loss tablets

Weight loss tablets will only be prescribed where efforts to lose weight through lifestyle changes have failed. The best way to lose weight healthily is by changing your diet and exercising regularly. You should avoid fad diets and crash diets, which includes cutting out entire food groups, as they don’t work in the long run, can make you unwell and do not provide long-term healthy eating habits. Rapid weight loss is only ever recommended for patients with obesity-related complications, in which case a doctor will recommend a very low calorie diet (VLCD) of less than 800 calories per day for no longer than 12 weeks. Instead, learn about portion size and don’t be overly restrictive about what you can and can’t eat. Set yourself achievable goals and concentrate on sustainable weight loss, eat slowly and concentrate on what you’re eating rather than watching TV, and avoid situations that might tempt you to overeat. Accompany your diet plan with a regular exercise programme that includes aerobic exercise and strength training. You may need to start of slowly and build up your strength and endurance, so speak to your GP or weight loss adviser to work out an exercise plan that is right for you.

Lifestyle changes to help you lose weight

Making changes to your lifestyle is the best and most effective way to lose weight. This includes:

  • Eating a balanced, low-calorie diet that contains plenty of fruit and vegetables, wholegrains, some fats, some dairy and some meat, fish, eggs and other protein sources. Limit your intake of salt and try to avoid fatty or processed foods. A doctor or dietitian can help you plan out a healthy, weight-loss diet.
  • Eat slowly and concentrate on what you are eating. Try and avoid situation in which you might be tempted to eat too much.
  • Try and do 150-300 minutes of moderate-intensity exercise per week. This can include running, cycling, swimming or brisk walking. Joining a local gym of community exercise classes can boost your impetus to exercise and help turn the process into an enjoyable, social activity.
  • Join a local weight loss group

Eating a healthy diet

The NHS considers a safe and sustainable rate of losing weight to be 0.5 to 1 kg, or 1 lb to 2 lb, per week. To achieve this, most adults will need to reduce their energy intake by 600 calories per day, and to swap out high-fat and high-sugar choices for healthier options. A healthy diet should only contain a small amount of foods that are high in fat and sugar, and instead contain plenty of fruit and vegetables, plenty of wholegrains and starchy foods, some dairy, and some meat, fish, eggs and other non-dairy protein sources. You should limit your salt intake to below the recommended maximum of 6g per day, as a high salt intake can cause high blood pressure. Where possible, try to cook meals for yourself, as ready-meals tend to contain high levels of fat, salt and sugar. Eating out is fine when you don’t do it too often, but if you are making an effort to lose weight you will need to choose healthier options and make sure you know what is going into your food.

What should I eat for the best results on weight loss tablets?

Prescription weight loss tablets, Orlistat, work by blocking the enzyme lipase, which is responsible for the absorption of fat. This means that around one-third of the fat you consume will be removed from the body in stools rather than be absorbed. This means that Orlistat should only be taken with a meal that contains fat, otherwise it will have no effect. Whilst taking this medication, your diet should be well-balanced and contain plenty of fruits and vegetables and wholegrains, and only about 30% calories from fat. Try and spread your daily intake of fat, carbohydrates and protein evenly across each of your 3 meals per day, and avoid snacking on fat-containing foods between meals. This means avoiding snacks such as chocolate, biscuits, sweets, cakes and crisps. It is important to include some fat in your diet, and Orlistat will have no effect if you cut out fat completely.

How to start to change your diet

The transition to a healthy, balanced diet can be difficult, so it is useful to have a structured plan. The NHS recommends losing weight at a rate of 0.5 to 1 kg per week for safe and sustainable weight loss, meaning most adults will have to reduce their daily calorie intake by about 600 calories. Set yourself goals for gradual weight loss and do you best to meet them, and focus on sustainable weight loss rather than losing as much as you can in the shortest amount of time.

How to start exercising

If you are new to regular exercise, you may need to start slowly and build up your body’s strength and endurance. Pushing your body to its limits can be dangerous, particularly if you are dieting at the same time. You can speak to a doctor for advice on forming an exercise plan, or try joining classes that offer training at different intensity levels.

How much exercise should I do for the best results on weight loss tablets?

In general, you are recommended to do 150 hours of moderate-intensity exercise each week, but this may differ from person to person when it comes to weight loss. You may need to start off slowly and increase your level of exercise as your body becomes accustomed to the change. Pushing your body too hard and too quickly can be dangerous, particularly in combination with a low-calorie diet. Before starting weight loss medication, a healthcare professional or dietitian will be able to help you work out a diet and exercise plan that is right for you.

What types of exercise help most with weight loss?

A good work out programme contains different types of exercise tin order to build up your overall fitness. Aerobic exercise, also called cardiovascular exercise, such as running swimming, bicycling or walking quickly, is the best exercise for burning fat and calories and is therefore the core of most weight-loss exercise programmes. Aerobic exercise causes your body to use more energy during and after your workout, as well as improving the function of your heart and lungs. Strength training and weight-building exercise is also vital for long-term weight loss, because adding muscle helps to lose fat. A body with high muscle density burns more calories day to day than a body with excess fat, and will help you to feel stronger and more able to do aerobic exercise.

How many calories should I realistically aim to burn when losing weight?

When losing weight, calorie control is important in relation to your diet. However, you should not fixate too hard on the number of calories you burn - to burn off all the calories you eat would require hours of exercise. The goal of exercise is to improve your overall fitness, boost your metabolism and strengthen your body, as a strong, active body will burn more calories day-to-day and help you to maintain a healthy weight. 

Can laxatives be safely used to aid weight loss?

Taking laxatives is not an effective or safe means of losing weight. Easing or increasing bowel movements does not lead to long-term weight loss, and any weight lost in the short term is likely to be due to their effect of pulling water into the intestines to allow for easier stool passage. Excessive use of laxatives can lead to dehydration and electrolyte imbalance, gastrointestinal damage or dependency.

When is weight loss surgery a good option?

Weight loss surgery is only recommended as a last resort for patients who are struggling with morbid obesity. It is only an option for patients who:

  • Have tried all non-surgical measures of weight loss under the supervision of a doctor without sufficient results, and are receiving intensive management as part of their surgery
  • Have a BMI of 40 or above, or have a BMI of 35 to 40 in combination of a serious health condition that would benefit from weight loss, such as diabetes or high blood pressure 
  • Are fit enough to undergo anaesthesia and surgery
  • Are prepared to commit to long-term follow up and lifestyle changes

Are weight loss retreats and bootcamps worth while?

Weight loss retreats and bootcamps are available in many different forms, and can be worth the while if you are willing to make the investment. It can be helpful to start your weight loss process away from home in order to get some distance from old lifestyle habits and temptations, and many retreats offer programmes and services tailored to your needs. However, you will need to be prepared for your return home and be able to continue new habits and exercise in your daily life. 


What is BMI?

BMI stands for body mass index and refers to a person’s weight in relation to their height. The BMI serves as a rough guide of what is considered a healthy weight for your height - a healthy BMI is between 18.5 to 24.9. However, BMI is not always reliable, as people who are very muscular may have a high BMI without excess fat.

What happens to the fat you lose?

When you lose weight, excess fat is broken down into carbon dioxide and water. Water is absorbed by the body and leaves via urine, faeces, sweat and other bodily fluids, and carbon dioxide leaves when you breathe out.

What time of day should I eat to reduce weight gain?

While managing the amount and types of food you eat is the most effective means of weight loss, the time that you eat can also have an effect. While the debate on whether skipping breakfast helps you to lose weight or not continues, some research shows that refraining from eating after 7 pm is conducive to weight loss. The truth is that the best time to eat depends entirely on your lifestyle and daily activity. You can try to work out which meal times work best for you in terms of staying full for longer and resisting snacking.

Are over the counter weight loss supplements safe and effective?

Unfortunately, it is often hard to known whether over-the-counter weight loss supplements are safe or effective. Weight loss products should only be used following consultation with a healthcare professional, who will be able to tell you whether they are an appropriate choice for you, and instruct you on the appropriate lifestyle changes that should accompany any form of weight loss treatment. Many over the counter product do not contain sufficient information about their effects, or instruction on how to use them safely and effectively, and as such are not recommended for use. Before purchasing any over-the-counter weight loss supplement, make sure to talk to a pharmacist for advice.

Why do I need to exercise if I’m on a diet?

Exercise is the best way to burn calories and excess fat. Dieting without exercise is unwise, as it will make it harder to keep off the lost weight, and cause you to feel weak. Crash dieting in particular can cause the body to burn muscle instead of fat and can be extremely dangerous. The best way to lose weight is to combine a healthy diet with regular exercise.

How does my metabolism affect my weight?

Metabolism refers to the process used by the body to convert the food and drink you consume into energy that powers all of the body’s functions. Your personal base metabolic rate is the amount of energy your body needs to carry out all of its basic functions, such as breathing, blood circulation, and the growth and repair of cells. Metabolic rate differs according to age, sex, and body size and composition. If you are eating too much and not exercising enough, the excess calories you consume are not needed for energy and are instead stored as fat. Increasing your level of physical activity is the best way to burn calories. Muscle requires more energy to maintain than fat, so losing excess fat and increasing your muscle density will speed up your metabolism by increasing the amount of energy required for your body carry out its basic functions.

Does weight loss slow with age?

Losing weight tends to get harder as you get older. This is often due to changes in lifestyle, such as a stressful work life which leaves little time for exercise or conscious eating, or retirement which can dramatically reduce the amount of physical activity in your day-to-day life. As you get older, your muscle tissue naturally diminishes and your body becomes less efficient at replenishing damaged muscle cells. At this stage, your body requires less energy and is more likely to store unburned calories as fat. Wear and tear to muscles and joints can cause people to feel less agile with age, and exercise becomes more of a challenge.

How does menopause affect weight loss?

Most women experience some weight gain with menopause. The natural decrease in oestrogen levels causes metabolic rate to slow and he body uses starch and glucose less effectively, which can increase fat storage. Regular exercise can help to control weight gain after menopause, as well as improving your overall health, but will need to be maintained to have long term results. Strength training is especially important for building muscle mass, strengthening your bones and improving metabolism.

How does PCOS affect weight loss?

Women who suffer from the hormonal disorder polycystic ovary syndrome (PCOS) often struggle with weight gain. PCOS can cause insulin resistance, which means the body 
has difficulty using the hormone insulin to convert sugars and starch from foods into energy. As a result, insulin and glucose can build up in the bloodstream and high levels of insulin trigger an increase in the production androgens, male hormones which can cause hair growth, acne, irregular periods and weight gain. Excess weight often appears in areas where men tend to carry weight, such as the abdomen.

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