24.05.2017 change 24.05.2017

Dr. Podgórski: Diet pills do not work in most cases

Available preparations for people who want to lose weight do not work in most cases - told PAP Dr. Tomasz Podgórski from Poznań University of Physical Education. He also explained why "light" products do not help lose weight.

According to Dr. Tomasz Podgórski from the Division of Biochemistry of Poznań University of Physical Education, available preparations intended for people who want to reduce their body weight do not work in most cases. "There are two reasons: firstly, the amount of active substance in the preparation is too low to cause actual metabolic changes, and secondly, the substance may not work at all" - said Dr. Podgórski.

An example is one of the popular organic chemicals - L-carnitine. "It is used by people who want to lose excess pounds as well as athletes. Unfortunately, studies have shown that this substance simply does not work" - said Dr. Podgórski.

In Poland there are also many preparations of plant origin, which are supposed to support the process of losing weight. They include cayenne pepper and caffeine. "As far as caffeine is concerned, it has indeed been shown that it has a slight slimming effect. For other preparations a similar effect has not been proven" - said the biochemist.

The researcher also warns against "light" products when we intend to lose weight.

It has been proven that people who eat or drink +light+ products usually have a higher fat mass than people who eat or drink regular products. This is because we can not fool our brain in the long run. It is used to the combination of two basic function: the sweetness of a food product and its caloric content. If we fool our brain by eating low calorie products that are sweet at the same time, after a while we start eating much more of these products than we normally would" - he explained.

According to Podgórski, beautifully packaged and loudly advertised supplements or "light" products will not contribute to weight loss. "The only right choice is firstly a suitable diet, and secondly - increased physical activity" - he added.

The researcher warned that many of the media-promoted diets could be dangerous to health. These include, for example, ketogenic or high protein diets. "Long-term use of these diets can lead to organ damage - mainly kidneys or liver" - he said.

According to Dr. Podgórski, people who want to lose a few pounds should not believe in the existence of the so-called universal diet that will bring the same results for everyone. "The ideal solution is to consult a dietitian, do basic laboratory blood tests, and then tailor the right diet for each person" - he concluded. (PAP)

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