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Mixed evidence

What to Eat After You Break a Fast

Here is how to break a fast: an ordinary meal of protein, vegetables and whole grains, eaten slowly. The window is not a licence to make up missed food.

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In 30 seconds

You break a daily fast of 12 to 16 hours with an ordinary meal: protein, vegetables and whole grains, eaten slowly. In the time-restricted eating trials, the fast ends when the eating window opens. That window is not a licence to make up for the hours without food.

  • These daily fasting trials end with an ordinary meal. No special refeeding food was set.
  • Build the first plate from protein, vegetables and whole grains.
  • Eating slowly lowered how much people ate in laboratory studies.
  • Adding an eating window to the same calorie target did not improve results in a 12-month trial, so portions still matter.

What should you eat after fasting?

An ordinary balanced meal. A lot of online advice starts with bone broth, then fruit, then a meal. For the daily windows in these time-restricted eating trials, nothing like that was required.

In a 12-month trial, participants ate between noon and 8 p.m. with no restrictions on the types or quantities of food and no calorie counting, and the TREAT trial also let participants eat freely within its window; neither set a special food for ending the fast.Source 1Source 2

What goes on the first plate?

Protein, vegetables and whole grains. This first meal is simply a meal, so usual healthy-eating guidance applies, and the plate doesn’t need to be large to leave you satisfied.

WHO healthy-diet guidance recommends basing meals on minimally processed foods, at least 400 g of fruit and vegetables a day, whole grains and pulses, and limiting free sugars to less than 10% of energy and salt to less than 5 g a day.Source 3

In tightly controlled studies, higher-protein foods increased fullness ratings more than lower-protein foods.Source 5

For the rest of the eating window, see what to eat during intermittent fasting.

Building blocks for the first meal after a daily fast, from WHO healthy-diet guidance; adapt them to your culture, budget and medical advice.
Part of the plateExamples
ProteinEggs, yoghurt, fish, chicken, tofu, beans or lentils
Vegetables or fruitSalad, cooked vegetables, a piece of fruit
Whole grains or starchy foodsWholegrain bread, brown rice, oats, potatoes
Fats in moderationOlive oil, nuts, seeds
DrinkWater

Should you eat that first meal slowly?

Yes, if you can. Arriving hungry makes it easy to eat quickly and past what you planned. Sitting down and taking your time is a small habit, and laboratory studies found that a slower pace lowered intake at the meal.

A meta-analysis of 22 laboratory studies found that eating more slowly led to lower energy intake at the meal, although it did not change later hunger ratings.Source 4

Do portions still matter?

Yes. The clock doesn’t cancel how much you eat.

In a 12-month trial of 139 adults with obesity, adding an 8 a.m. to 4 p.m. eating window to the same calorie target did not significantly improve weight loss, body fat or metabolic risk factors compared with calorie restriction alone.Source 6

Mixed evidence

A time window can help some people eat less

In a 12-month trial, eating only between noon and 8 p.m. without counting calories produced weight loss similar to daily calorie restriction, while adding a time window to the same calorie target did not beat calorie restriction alone in another trial. The eating window is a way to structure intake, not a licence to compensate.Source 1Source 6

Two 12-month trials, side by side.
12-month trialEating windowCaloriesResult
Time window aloneNoon to 8 p.m.No calorie counting and no limits on the types or quantities of foodWeight loss similar to daily calorie restriction
Window added to a calorie target, in 139 adults with obesity8 a.m. to 4 p.m.Same calorie target in both groupsNo significant improvement in weight loss, body fat or metabolic risk factors over calorie restriction alone

Who should be careful?

Talk to a qualified health professional before fasting if you are pregnant or breastfeeding, under 18, living with or recovering from an eating disorder, have diabetes, take insulin or a medicine affected by meal timing, are an older adult, or are acutely ill. Do not change the dose or timing of any medicine without your clinician. See Blimbi’s safety guide.

Frequently asked questions

What should I eat after fasting?

An ordinary balanced meal: a protein source with vegetables and whole grains, following WHO healthy-diet basics. Higher-protein foods increased fullness in controlled studies, which can help you avoid eating more than you meant to.Source 3Source 5

Do I need a special food to break a 16-hour fast?

No. In these time-restricted eating trials, people simply ate freely once the window opened. If you have fasted much longer than a day, or you are underweight or unwell, ask a health professional how to restart eating.Source 1Source 2

What if I break my fasting routine for a day?

Pick up your usual window tomorrow. The trials measured results over weeks and months, so one different day matters little. There is no need to lengthen the next fast to compensate.Source 1

Sources

  1. Time-Restricted Eating Without Calorie Counting for Weight Loss in a Racially Diverse Population: A Randomized Controlled TrialShuhao Lin et al. American College of Physicians, July 1, 2023.DOI: 10.7326/M23-0052 · PMID: 37364268Human randomized trial

  2. Effects of Time-Restricted Eating on Weight Loss and Other Metabolic Parameters in Women and Men With Overweight and Obesity: The TREAT Randomized Clinical TrialDylan A. Lowe et al. American Medical Association (AMA), November 1, 2020.DOI: 10.1001/jamainternmed.2020.4153 · PMID: 32986097Human randomized trial

  3. Healthy dietWorld Health Organization. World Health Organization, January 26, 2026.Official guidance

  4. A systematic review and meta-analysis examining the effect of eating rate on energy intake and hungerEric Robinson et al. Elsevier BV, July 1, 2014.DOI: 10.3945/ajcn.113.081745 · PMID: 24847856Systematic review and meta-analysis

  5. The Effects of Increased Protein Intake on Fullness: A Meta-Analysis and Its LimitationsJaapna Dhillon et al. Elsevier BV, June 1, 2016.DOI: 10.1016/j.jand.2016.01.003 · PMID: 26947338Systematic review and meta-analysis

  6. Calorie Restriction with or without Time-Restricted Eating in Weight LossDeying Liu et al. Massachusetts Medical Society, April 21, 2022.DOI: 10.1056/NEJMoa2114833 · PMID: 35443107Human randomized trial

  7. Low blood sugar (hypoglycaemia)NHS. NHS, August 3, 2023.Official guidance

  8. Overview – Eating disordersNHS. NHS, January 23, 2024.Official guidance

  9. Fasting Safely with DiabetesMartin M. Grajower. National Institute of Diabetes and Digestive and Kidney Diseases, August 26, 2020.Official guidance

See it in the source list