Obesity and being overweight is a significant health problem, in addition to the impacts on one’s appearance, obesity poses serious multiple health risks. Being overweight has also been proven to increase surgical risks and complications.

One in four British adults is obese, according to the UN Food and Agriculture Organization. The UK has the highest level of obesity in Western Europe, obesity levels in the UK have more than trebled in the last 30 years and, on current estimates, more than half the population could be obese by 2050.

A person is considered overweight if they have a body mass index (BMI) between 25 and 29, and obese with a BMI of 30 and above. In England, 24.8% of adults are obese and 61.7% are either overweight or obese, according to the Health and Social Care Information Centre.



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There are hundreds if not thousands of weight loss methods, some are a combination of certain nutrients and restrictions of some others, however no weight loss method will work unless the guidelines are obeyed and strictly followed.

In Dr Zafra’s experience there are few diets and products that can achieve the ideal principal of raising the percentage of proteins to avoid loss of muscle mass and reduce the intake of carbohydrates and fats, which are responsible for weight gain. By minimizing intake of carbohydrates the body switches to ketosis where it breaks down body fat to use, as it’s main source of energy. Ketosis is a normal metabolic process that occurs when you cut back on carbohydrates. Ketosis happens after exercising for a long periods of time and occurs during pregnancy. However people with diabetes, ketosis is very dangerous, as high levels ketones lead to dehydration and changes in the chemical blood balance.



The weight loss method selected does not include medications of any type and it consists in a diet with high quality protein products indicated in phases according to each individual’s desired weight loss.

The diet requires medical monitoring and products are sold only under doctor’s orders to achieve safely the optimum results. Consultations are scheduled depending on the phase selected to begin with, can be up to three consultations per month, to once a month.



Single Weight Loss Consultation (30 minutes), products are bought separately.


Protéifine® is revolutionary medically supervised weight loss method based on a fresh vegetables diet that includes specially designed products rich in natural proteins and low in carbohydrates, where there are no medications involved. It has been developed by the European company Ysonut Laboratories, who have also developed the concept of Rythmonutrition® which adapts the parameters of Nutritional Chronobiology to dieting.

There is a wide range of tasty products available to ensure adherence to the diet. Ysonut Laboratories has adapted its products for each country and has recently added a range based on the UK’s dietary preferences. The range goes from bars, biscuits, desserts and pancakes, to pasta, omelets and savory snacks, to suit everyone’s taste.

Frequently Asked Questions

+ How much weight can I lose?

Ideally in optimum conditions you can lose up to one stone (7kg) per month.

+ What is the daily cost of the diet?

Depends on the number of products per phase, a full meal replacement costs an average of £30 per day.

+ Are there side effects?

During the first couple of days, before the body enters ketosis, hunger and low energy levels can occur, but this is temporary. Micronutrient supplementation is part of the diet to prevent any potential deficiencies related to diet and weight loss.

+ Is weight regained after the diet?

Muscle mass and basal metabolic rate are maintained as long as nutritional re-education continues. In the different phases you gradually reintroduce normal food into your diet, you will gain an in depth understanding of how to eat to optimize your health and maintain your weight long term.

+ Is adherence to diet difficult?

The products are tasty and simple to prepare making it easy to fit around most lifestyles and the diet phase is tailored to fit around your needs.

+ Is the Atkins diet the same as Proteifine®?

The Proteifine® is a protein based diet but not a high protein diet, essential fats with minimal amounts of carbohydrates are in the products. This promotes effective, safe and healthy weight loss through mild ketosis. The Atkins Diet consists of eating large amounts of animal protein and the intake of both fat and protein is unlimited, which can result in health problems.



All images used are for illustrative purposes only.

The above prices are only a guide, these may vary according to individual requirements and payment is due the day of the treatment or when a plan of treatments is agreed. Any procedure will only take place after a medical consultation, in which you will be asked to respond truthfully a record of your medical history and on the day of each procedure you will be asked to read and sign a consent form accordingly. Results and longevity varies from each individual, dependent on factors that not solely include age, genetics, skin type, medical history and lifestyle.