Blog about fasting, nutrition and performance
Blog about fasting, nutrition and performance
5 Day Fast
5 Day Fast
Articles about fasting, nutrition and sports performance, written by Ramon Siljade and the 5 Day Fast team. With explanations, evidence and practical tips for before, during and after your 5 Day Fast.
Articles about fasting, nutrition and sports performance, written by Ramon Siljade and the 5 Day Fast team. With explanations, evidence and practical tips for before, during and after your 5 Day Fast.
Articles about fasting, nutrition and sports performance, written by Ramon Siljade and the 5 Day Fast team. With explanations, evidence and practical tips for before, during and after your 5 Day Fast.

FAQs
Frequently asked questions
I can easily imagine you might have questions about 5 Day Fast, just like many others who have already started the programme. That's why we've answered some frequently asked questions for you here, so you can get a good idea of what to expect and make your choice a bit more easily. Is your question not listed here? Then have a look at all the frequently asked questions. If your question is still not answered, no problem at all! Send us an email via support@5dayfast.nl, we're happy to help you out.
Many participants see a drop on the scales during the 5 days.
Some of this is due to loss of glycogen and water, especially in the first few days. As the programme progresses, the body may shift more towards fat as an energy source, which could contribute to fat loss.
How much weight you lose and keep off varies from person to person. It depends on your starting point, how closely you follow the programme, and what you do after the 5 days.
Want to understand the difference between weight on the scales, water loss, and fat loss? Then read more about afvallen in 5 dagen.
Both have to do with fasting and metabolism, but they are not the same.
Sportvasten is usually built around a combination of dietary restriction and exercise. 5 Day Fast is a fasting mimicking approach with a structured menu, supplements, shopping list and guidance.
A key difference is the scientific basis. 5 Day Fast is based on the principles of research into fasting mimicking diets, where the goal is to mimic certain effects of fasting through a specific balance of calories, fats, carbs and proteins. Sportvasten is less standardised and can differ greatly per method, provider or coach.
Want a structured 5-day protocol with a menu, supplements and guidance? Then 5 Day Fast might be the more practical option.
For a full comparison, read our guide: 5 Day Fast vs sportvasten.
Intermittent fasting usually means you adjust your daily eating window, for example by eating within 8 hours and fasting for 16 hours.
5 Day Fast works differently. You don't follow a strict daily eating window. Instead, you follow a structured 5-day fasting mimicking menu with controlled nutrition, supplements and guidance.
During the day, you eat the meals and snacks from your menu without an intermittent fasting schedule. The structure doesn't come from restricting your eating window, but from what you eat, the quantities and the balance between the macronutrients.
Would you like to compare both approaches in more detail? Then read more about intermittent fasting en 5 Day Fast.
No, 5 Day Fast isn't the same as water fasting.
With water fasting, you don't eat anything. With 5 Day Fast, you follow a structured menu with controlled nutrition, supplements and guidance.
The goal is to mimic certain effects of fasting without completely cutting out food, making it easier to stick to than water fasting.
Read also what happens to your body during 5 dagen vasten.


Get started straight away or learn more
Reset with 5 Day Fast
Reset with 5 Day Fast

FAQs
Frequently asked questions
I can easily imagine you might have questions about 5 Day Fast, just like many others who have already started the programme. That's why we've answered some frequently asked questions for you here, so you can get a good idea of what to expect and make your choice a bit more easily. Is your question not listed here? Then have a look at all the frequently asked questions. If your question is still not answered, no problem at all! Send us an email via support@5dayfast.nl, we're happy to help you out.
Many participants see a drop on the scales during the 5 days.
Some of this is due to loss of glycogen and water, especially in the first few days. As the programme progresses, the body may shift more towards fat as an energy source, which could contribute to fat loss.
How much weight you lose and keep off varies from person to person. It depends on your starting point, how closely you follow the programme, and what you do after the 5 days.
Want to understand the difference between weight on the scales, water loss, and fat loss? Then read more about afvallen in 5 dagen.
Both have to do with fasting and metabolism, but they are not the same.
Sportvasten is usually built around a combination of dietary restriction and exercise. 5 Day Fast is a fasting mimicking approach with a structured menu, supplements, shopping list and guidance.
A key difference is the scientific basis. 5 Day Fast is based on the principles of research into fasting mimicking diets, where the goal is to mimic certain effects of fasting through a specific balance of calories, fats, carbs and proteins. Sportvasten is less standardised and can differ greatly per method, provider or coach.
Want a structured 5-day protocol with a menu, supplements and guidance? Then 5 Day Fast might be the more practical option.
For a full comparison, read our guide: 5 Day Fast vs sportvasten.
Intermittent fasting usually means you adjust your daily eating window, for example by eating within 8 hours and fasting for 16 hours.
5 Day Fast works differently. You don't follow a strict daily eating window. Instead, you follow a structured 5-day fasting mimicking menu with controlled nutrition, supplements and guidance.
During the day, you eat the meals and snacks from your menu without an intermittent fasting schedule. The structure doesn't come from restricting your eating window, but from what you eat, the quantities and the balance between the macronutrients.
Would you like to compare both approaches in more detail? Then read more about intermittent fasting en 5 Day Fast.
No, 5 Day Fast isn't the same as water fasting.
With water fasting, you don't eat anything. With 5 Day Fast, you follow a structured menu with controlled nutrition, supplements and guidance.
The goal is to mimic certain effects of fasting without completely cutting out food, making it easier to stick to than water fasting.
Read also what happens to your body during 5 dagen vasten.


Get started straight away or learn more
Reset with 5 Day Fast
















