18-Stunden-Diät: Grundsätze, Nachteile, Vorzüge und Expertenmeinung
Anna Schmidt
2026-03-21
3 Min. Lesezeit
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Die 18-Stunden-Diät ist eine Ernährungsstrategie, die darauf abzielt, das Körpergewicht zu senken, ohne die Nahrungsmenge einzuschränken. Die Entwickler dieser Methode betonen, dass Gewichtsverlust ohne Verzicht auf bevorzugte Leckereien erreichbar ist.
The eight-hour diet
The eight-hour diet is a diet devised by David Zincenko and Peter Moore that consists of two periods of fasting and an 8-hour nutritional window. The diet does not impose quantitative or qualitative restrictions, although dieters encourage healthy food choices.
The eight-hour diet is flawed
The fundamental disadvantage is to allow for the freedom to consume products. Weight loss is determined by the energy balance. The loss of kilograms occurs only when the amount of energy expended exceeds the amount consumed. The consumption of eight-hour meals that provide energy in excess of what is needed will undoubtedly lead to weight gain, even if supported by a 16-hour hunger strike. Another aspect of the proposed diet that does not budget is the motivation to improve the body's nutritional needs. It is precisely from changing the way we eat to improve our health and fat-rich tissues.
An eight-hour diet has its advantages
In the light of recent (and ongoing) studies, the concept of eating meals at a given time interval with a daily rhythm is most likely to have a beneficial effect on the body. So far, little work has been done on the effects of TRF (time-restricted feeding) on human body function, although positive effects have been repeatedly demonstrated in the brain. However, improvements in insulin sensitivity, loss of fat, decreased inflammation have been observed.
The eight-hour diet is the opinion of the dietitian
The effectiveness of an eight-hour diet has not been confirmed. However, basic knowledge about the metabolism of energy substrates suggests a low likelihood of weight loss. Using only a nutritional window with a positive energy balance makes it impossible to trigger fat reserves. Unfortunately, complete freedom in product selection can lead to excessive energy consumption.
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