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Intermittierendes Fasten – Definition und Funktionsprinzipien dieser ungewöhnlichen Ernährungsstrategie
Metabolische Effizienz
Kalorienreduktion
Metabolische
Strategie
Fasten
Olivia Davis
Autor
2026-05-19
Datum
5 Min. Lesezeit
article.read_time
8
Kapitel
In einer Zeit, in der das Streben nach einer schlanken Figur weit verbreitet ist, haben sich auf dem Ernährungsmarkt zahlreiche Konzepte etabliert, die den Abbau überflüssiger Kilogramm erleichtern sollen. Die meisten dieser Ansätze basieren auf einer strikten Reduzierung der täglichen Kalorienzufuhr oder dem vollständigen Verzicht auf bestimmte Lebensmittelgruppen. Es gibt jedoch eine innovative Methode, die den Fokus nicht auf das *was* wir essen legt, sondern auf das *wann* – sie erlaubt eine beliebige Nahrungsmenge, jedoch ausschließlich in fest definierten Zeitfenstern, was zu einer Optimierung der Stoffwechselprozesse des Körpers führen soll.
What is an interrupted fast?
Intermittent fasting (IF) is a form of diet that imposes time restrictions on the consumption of meals. Presumably you can eat anything, but in a limited amount of time. In practice, if we care about the health effects, not just the weight loss, we should also pay attention to what we eat.
The rules of intermittent fasting
There are several variations of a breakfast. If we don't like to get up early in the morning, then the first meal can be eaten even at noon. Then the last meal will fall at 8pm. In this scheme we can eat 3 meals and 2 snacks. So if we eat our first breakfast at 9am, then we can have our last meal at 5pm.
Is that what you eat when you're fasting?
Changes in the diet during intermittent fasting will depend primarily on the way the patient ate before fasting. If he ate meals in accordance with the principles of a healthy diet, the changes will not be large. Most foods can be consumed during fasting, following the principle of everything in moderation. The basis is to rely on natural ingredients. Processed products should therefore be eliminated. A well-balanced diet is based on a high amount of fresh vegetables, whole grains, fat beans, lean meats and fish.
Is that what you drink when you're fasting?
During intermittent fasting it is recommended to drink bitter drinks of various types of tea (black, green, white, red or fruit), herbal steams, coffee without sugar and milk and water. It is not recommended to consume fruit or vegetable juices and milk, kefir, yogurt or butter.
Taking supplements during fasting
Time and calorie restrictions can lead to nutrient shortages in the long term. Supplementation should be considered. In addition to vitamin D, which is recommended to be supplemented in our geographical area from at least September to April, magnesium, zinc or iron and B vitamins should also be considered, especially with low meat intake.
Counter-indications
Interrupted fasting cannot be used by all. There are certain restrictions. This diet should not be used in children who need the optimal supply of energy and nutrients for proper growth and development, and women who are pregnant or breastfeeding because periods of fasting are too long. IF will not be a good solution for people who require high calorie intake physical workers or intensely trained athletes. The introduction of IF rules also excludes some individuals diabetes, liver disease, kidney disease, eating disorders (anorexia, bulimia) or hormonal problems.
Potential side effects
Unskilled fasting can cause ailments such as headaches or dizziness, and if you're too restricted in calories, it can lead to excessive weight loss, which over time leads to malnutrition, weakened immune systems, anemia, and digestive problems.
Interrupted fasting Example menu
Breakfast grapefruit paste with avocado and ham and vegetables: 1 cereal, 1⁄2 glass of avocado paste: 150 g of natural effect, 1⁄2 cup. Mango, 3 tablespoons of lemon juice (3 cooked eggs, 1 avocado, 1 teaspoon of olive oil, pepper and herbs for flavoring all ingredients mixed per unit weight), 2 1⁄2 cups of ham, salad, tomato juice.. I snack yogurt with oatmeal and mango flakes: 1 1⁄2 cup of yogurt, which is a natural effect.
