Alkaline fasting
Alkaline fasting is not fasting in the strict sense: you eat until you are full, but only so-called alkaline foods such as vegetables, fruit, herbs and sprouts. Meat, grains, dairy, sugar, coffee and alcohol are left out.
- Food
- Vegetables, fruit, herbs, sprouts
- Duration
- Usually 5 to 14 days
- Hunger
- Hardly, you eat until full
- Suits
- A gentle entry into fasting
Alkaline fasting was made popular above all by the German naturopath Sabine Wacker. The idea: many people eat too much meat, white flour and sugar, and a week of purely plant-based food is meant to relieve the body.
The assumption of a general acidification of the body is scientifically disputed, because the body keeps the pH of the blood very precisely stable by itself. What is undisputed is that plenty of vegetables and avoiding alcohol, sugar and highly processed food do you good.
For many, alkaline fasting is the gentle entry: you do not go hungry, can keep functioning in everyday life and discover new dishes. At a hotel, exercise, treatments and rest come on top.
Good to know
- Good for anyone who finds classic fasting too strict.
- The acidification idea is not proven; the benefits of a vegetable-rich diet are.
- With kidney disease, check with a doctor first because of the high potassium content.
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Frequently asked questions
Do you lose weight with alkaline fasting?
Often a little, because the food is light and sugar and alcohol are dropped. But it is not a diet in the strict sense.
Is alkaline fasting real fasting?
No. You eat normally, only exclusively plant-based, so-called alkaline foods. The name is more of a label.
Related terms
Updated on 17 October 2026