What is dirty fasting?

This is understood to mean a small amount of food (e.g. milk in coffee) during the fasting period. In general the following applies: Dirty fasting is not a fast. If …

Do I break my fast if I just taste food?

Even the smallest amounts of food can break your fast. There is a lack of studies for the often cited 30-50 calories that should supposedly be consumed during the fasting …

Can I chew gum during the fasting period?

No, even sugar-free chewing gum can trigger an insulin reaction and break the fast. Apart from that, chewing gum starts digestive processes such as the production of stomach acid and …

What about protein shakes?

Shakes should only be drunk in the eating period. Ideally, you should do a workout at the end of the fasting period and then drink your shake.

Can I take my vitamins and supplements?

If they are prescribed by a doctor, they should always be taken as directed. Otherwise, we recommend its intake in the eating period so as not to break the fast.

Can I use sweeteners or drink zero drinks?

No, sweeteners can cause cravings, affect your insulin levels and break your fast even without calories. It doesn’t matter whether they are natural (e.g. stevia) or artificially produced (e.g. aspartame).

Can I consume 500 kcal on whole fasting days?

We recommend staying without calorie intake even during longer fasting periods. Your body will manage it! If this does not work at the beginning, however, there should be an interval …

I don’t like drinking black coffee!

Every change is initially unfamiliar. Try different types of coffee or a little water in the coffee. Or simply enjoy your white coffee in your eating period, whether with milk …