Slender Wonder

Why make use of
Slender Wonder?

Slender Wonder is a medical weight loss programme that treats patients who struggle with overweight or obesity. Only Slender Wonder accredited doctors, who were trained by the organisation, are allowed to prescribe and distribute the programme.

Slender Wonder was developed by a South African doctor, Dr Jan Botha and has more than 200 accredited doctors countrywide. Our safe and effective weight loss programme has evolved over 40 years with tens of thousands of patients being treated successfully in South Africa.

At Slender Wonder we treat the cause of obesity and not just the symptoms. Because of this approach we have an excellent success rate!

Slender Wonder is a Medical Weight Loss Programme which means that it can only be done through our network of accredited Slender Wonder Doctors. This is not a weight loss programme based on kilojoules, but rather a formula based on a low GI eating plan, our Slender Wonder products (shake and supplements), as well as a series of injections that helps to improve the body’s Leptin sensitivity.

Depending on the patient’s starting weight, most individuals lose up to 4 – 7 kg’s in the first month. Once you reach the maintenance phase, your leptin sensitivity will have been restored and this will help you to maintain your new weight provided you continue to follow a healthy lifestyle!

Slender Wonder focuses on the cause of obesity and not only the symptoms!

Five Phases

The Slender Wonder Medical Weight Loss Programme consists of five phases:


The Stimulation phase ideal is to gain 'normal' fat. This phase duration is two days and during this time you can eat and exercise as you wish, with one catch, eat fatty foods and not sugary foods, this process will stock up 'normal' fat, in order for the body to break down only the abnormal, unwanted fat. If you skip the Stimulation phase, you will lose normal fat.


The Detoxification phase gets rid of free radicals and toxins that accumulated in the body, this causes weight gain, prevent or slow down weight loss, may lead to colon cancer and to (to a lesser degree) bladder cancer, coronary thrombosis, arthritis, sleeplessness, depression and diabetes.

The healing process are initiated by the body, and during this detoxification a person may experience "cleansing" symptoms and feel worse before feeling better.

The duration of this phase are between one and three days (specified by the doctor), and during this time you are not allowed to exercise, rather rest, and for better results make use of saunas or steam rooms.

Weight Loss

The Weight Loss Phase consist of an eating plan and essential supplements, formulated as a complete system to assist your weight loss without depriving your body of nutrients, thus maintaining health and well-being.

The plan of phase 3 needs be followed through at 100% consistancy, that will ensure that you don't eat less and your body goes into 'starvation' that will cause muscle burn instead of fat burn or eat more and the process does not work as planned and your weight loss process extends.

The duration of the Weight Loss Phase is dependent on the amount of fat that you need to lose, but in general the duration is 4-6 weeks on the Simeon B meal plan while administering daily injections and thereafter two weeks break from the injections.

This phase can be repeated up to three times, dependent on the amount of fat that still needs to be lost, whereafter the Stabilisation period of a month takes place.


The Stabilisation Phase is important to follow directly after the Weight Loss phase to ensure prevention of weight gain and it gives the body the opportunity to adapt to an increased food intake.


Changing the way of your eating habits is never easy, especially if it has become a deeply engraved habit you have had your entire life, and often people that go on weight loss programmes struggle with adjusting to the new eating habits and regain their weight that they have lost.

The Slender Wonder Medical Weight Loss Programme restores the Leptin functionality, which will make the new habits and goal weight much easier to maintain, as long as you follow the Maintenance Plan.

The duration of this phase is one year, and the Maintenance Meal Plan should start after the completion of the Stabilisation Phase. It is proven that if we keep the fat cells free from fat for approximately for a year, many of these fat cells will change into tissue cells, making the maintenance of your goal weight easier.

Our Products

Slender Wonder meal replacement shakes, supplements, immune boosters and fat burners.

Slender Wonder Shakes and Aqua Cherry fat burner are not subjected to the program and can be bought separately.

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