What to Eat After Intermittent Fasting

Intermittent fasting has become one of the most popular approaches to eating. The idea is simple: rather than changing what you eat, you change when you eat. One of the most common versions, called 16:8, means fasting for 16 hours (including while you sleep) and eating within an 8-hour window.

Many people find it helps them feel more in control of their hunger and energy. But there's one moment that can make or break the whole day: the meal you eat when the fast ends. Here's how to break your fast in a way that leaves you feeling steady and energized, not sluggish and starving an hour later.

Why your first meal matters

Research suggests intermittent fasting may help in two main ways. Limiting your eating window can act as a natural guardrail against mindless snacking, and a 2023 review of 18 time-restricted eating trials found it may support better blood sugar control.

After many hours without food, though, your body is especially sensitive to what comes next. Think of it like a car sitting at a red light: when the light turns green, you ease onto the gas rather than flooring it. A huge, sugary or greasy meal right out of a fast can send your blood sugar soaring and then crashing, leaving you tired, foggy, irritable and even hungrier than before.

A balanced, moderate first meal does the opposite. It keeps your energy steady and helps the benefits of your fast carry through the rest of the day.

The best foods to break your fast

Aim for a medium-sized plate that combines protein, healthy fats, fiber and some complex carbs. Together they digest more slowly and keep your blood sugar on an even keel.

1. Easy-to-digest protein: eggs, fish, tofu, Greek yogurt or chicken. Protein helps you feel full and supports the muscle you're building in class. If you have to choose between a protein-heavy or carb-heavy meal, go with protein.

2. Complex carbohydrates: oatmeal, sweet potatoes, quinoa or whole-grain toast for steady, longer-lasting energy.

3. Healthy fats: avocado, nuts, seeds or a drizzle of olive oil, which slow digestion and keep you satisfied.

4. Cooked vegetables: steamed or roasted veggies are gentler on an empty stomach than a big raw salad.

5. Fermented foods: a little kefir, plain yogurt, sauerkraut or kimchi can help ease your digestion back into gear.

Easy example: Two scrambled eggs and sliced avocado on whole-wheat toast, with a side of berries. It covers protein, healthy fat, fiber and slow-burning carbs in one simple plate.

Foods to go easy on

You can still enjoy these. They just tend to sit better later in your eating window than as the first thing you eat.

1. Sugary foods and refined carbs like cereal, pastries and white bread, which can spike and crash your blood sugar.

2. Very large portions, which can overload a stomach that's been resting.

3. Fried and ultra-processed foods, which can leave you bloated and sluggish.

4. Heavy, fatty proteins like a big steak.

5. Very spicy dishes, which can irritate an empty stomach.

How to break your fast, step by step

1. Hydrate first. Drink a glass or two of water a few minutes before you eat.

2. Start with a modest portion. You can always have more if you're still hungry.

3. Balance your plate. Include protein, carbs and fat, rather than just one.

4. Mix it up as you eat. Take bites from different parts of the plate instead of finishing one food at a time.

5. Slow down and chew well. It's easier on your digestion and gives your body time to register fullness.

6. Save sweets for last, if you're having them at all.

Is intermittent fasting right for you?

A 16-hour fast is generally considered safe for healthy adults, but it isn't right for everyone. Talk with your doctor before trying it if you're pregnant or breastfeeding, have a history of disordered eating, have diabetes or take medication that lowers blood sugar, or are older or frail. Longer fasts of several days carry real risks and should only be done with medical guidance.

Fasting when exercising and your Pilates practice

If you fast and take class, a little planning goes a long way.

1. Listen to your body. Some people feel great doing Pilates near the end of a fast, while others feel shaky or lightheaded. If you feel dizzy, weak or nauseated, stop and rest.

2. Stay hydrated. Drink water throughout your fast, especially before class.

3. Refuel with protein afterward. A balanced meal with protein after class helps your muscles recover and get stronger.

4. Let your instructor know. If you're fasting or have any blood sugar concerns, tell us before class so we can keep an eye out and adjust as needed.

Just like in Pilates, the details matter. A thoughtful first meal helps you feel strong, steady and ready for whatever the day holds.

This article is for general information and isn't a substitute for personalized advice. Talk with your doctor or a registered dietitian before starting intermittent fasting.