Samoinicijativno ulaženje u ketozu bez suplementacije i nadzora lekara može biti opasno po zdravlje !!!

What is the Protekal keto diet and what are its benefits?


The Protekal keto diet is a protein diet that is made easy using our effective weight loss program. It can be customized according to your own food preferences and health-related goals. It is a ketogenic diet, which under doctor’s supervision, helps you lose approximately 1.5 to 2 kilograms a week.

The Protekal keto diet is a healthy way of weight loss, and its main characteristic is suppression of hunger thanks to Protekal drinks, sweet and salty meals, and daily dosage of supplements – vitamins and minerals – essential for optimal health.

The Protekal keto diet has 3 phases, and there is no yo-yo effect after its completion.

Our diet is intended for all persons that consider they are obese, as well as the persons that have health problems connected with obesity: large amount of fat in blood, fatty liver, insulin resistance, diabetes mellitus type 2, high blood pressure etc. It is good for everyone who has no time to cook and to buy healthy food.

The purpose of our diet is not just to shape your figure but to teach you how to eat properly and how your organism should have good reaction on food.

Each treatment is individual and you are constantly under doctor’s supervision through whole diet.

Time frame of diet is individual and different in every patient.

You talk with your doctor during the first exam about the diet flow.

Who is the Protekal keto diet intended for?

The Protekal keto diet is intended for persons who are:

  • Overweight
  • Having diabetes type 2 problems
  • Having cardiovascular problems, and are overweight
  • Suffering from hypertension, and are overweight
  • Suffering from hyperlipoproteinemia (fat metabolism disorder and blood lipids disorder)
  • Suffering from degenerative osteoarthritis, and are overweight
  • Suffering from sleep apnoea, and are overweight
  • Having asthma problems, and are overweight
  • Suffering from vein insufficiency, and are overweight

What is necessary to know before starting the Protekal keto diet?

You book your first appointment over the phone, and before that appointment it is necessary to do lab analyses (you can find them on the following link), as well as the abdomen ultrasound, that you can bring with you or do in our polyclinic. Price for the first exam is ?????.

Doctor’s control during the weight loss program is on every two weeks and their price is ?????.

Price for the protein meals that patients use in Protekal keto diet is ????? by the box that contains 7 meals. In active phases where the diet is based only on Protekal meals the price is ????? for 2 weeks. During the progress of the diet with doctor’s agreement you switch to a next phase and slowly in your diet import more and more of everyday food, and with it less Protekal meals that you use.

It is necessary to have supplement intake during the diet, which price in active phases is ????? on monthly level.

What is important is that the whole diet must be supervised by one of our doctors. The doctor will determine the protein intake according to your gender, weight, and overall medical condition. We do not recommend going on a keto diet without a doctor’s supervision because irregular and excessive intake of protein as well as inadequate supplementation can cause a number of health problems.


The Protein diet

The Protein diet is based on the research conducted by Professor George L. Blackburn, who earned his doctorate in nutritional biochemistry from the Massachusetts Institute of Technology in 1973. Professor Blackburn’s research included the role of fatty acids and proteins on energy biochemistry, and two years later the Ministry of Health Canada introduced the protein diet as the official method for treating obesity. According to the statistics taken from the Canadian Ministry of Health, 30 million patients have been treated with the protein diet with significant success. Besides Canada, this treatment has been successfully implemented in the U.S. and Europe.

The three stages of the ‘Protekal’ keto diet

1. Stage one – ketogenic VLCD (phase 1 and 2)
2. Stage two – reductive LCD (phase 3 and 4)
3. Stage three – maintenance of the achieved weight loss (phase 5)

The Protekal protein diet stage one - ketogenic VLCD

Ketogenic VLCD, also known as the active stage, can be divided into three parts:

1. In part one, five ready to eat ‘Protekal’ meals per day are consumed including vegetables and fresh salads. The Protekal meals, as well as supplements are prescribed by one of our doctors. The meals consist of a variety of soups, omelets, purees, oat meals, pancakes, cakes, puddings, mousses, shakes and juices.

The active stage consists of fat and carbohydrate reduction in your diet preserving the protein intake. Increased protein intake triggers certain metabolic changes in the body (boosts metabolic rate), which is manifested by providing necessary energy from your own body fat reserves. Thanks to a low carbohydrate intake hypoinsulinemia (low concentration of insulin in the blood) develops. It causes lipolysis (breaking down fat cells). Fatty acids are oxidized into ketone bodies, which in turn become a source of energy, yet have an anorexic effect – suppress hunger and appetite, and provide cheerfulness and plenty of energy.

Due to the described metabolic changes, the protein diet is characterized by:

• suppression of hunger
• cheerfulness
• rapid loss of fat tissue and preservation of muscle tissue (due to adequate intake of proteins with high nutritional value).

2. In part two of the active stage, one Protekal meal is replaced with some meat, eggs, fish, or sea food (under doctor’s supervision).

3. In part three of the active stage two Protekal meals are replaced with some meat, eggs, fish or sea food (under the doctor’s supervision).

During the active phase a patient can lose anywhere between 1.5 to 2 kilograms a week, which gives immediate visible results and therefore the percentage of those who quit the diet is very low. During the active stage patients have regular checkups every two weeks and are monitored by the doctor to establish their condition and determine the transition to the next stage.

The Protekal protein diet stage two - reductive LCD

Stage two of the Protekal keto diet starts when a patient reaches 80% of the desired weight loss. The patient gradually increases the intake of carbohydrates and decreases the intake of the Protekal ready to eat protein meals. In the reductive stage, based on glycemic index, other food such as fruits, dairy products, legumes and starchy food are gradually introduced. Towards the end of stage two, the reductive stage of the Protekal keto diet, a patient should establish proper eating habits and balanced nutrition.

The Protekal protein diet stage three – maintenance of the achieved weight loss

Stage three, the last of the Protekal keto diet, is maintenance of the achieved weight loss in a two- year period. Based on age, gender and overall health condition every patient concludes the diet with individual nutritional advice and periodical checkups. In stage three adjustment of metabolism to everyday food is achieved and thanks to this there is no yo-yo effect. Because of ponderal (relating to weight) memory, obese image is switched to an image of a person with new body weight and there is a big chance that the achieved weight loss will be retained.

Physical activity during the Protekal high-protein diet

During all three stages of the Protekal keto diet physical activity is allowed.

Physical activity in the first active stage of the Protekal keto diet

In the first stage of the diet cardio trainings are advised twice a day for 30 minutes. During the first active stage excessive physical activity is not permitted such as cycling for longer period of time, playing football, tennis, etc.
Physical activity in the second and third stages of the Protekal keto diet
During the second and third stages of the diet all types of sports and physical activities are recommended.