Refeed Days: Why They Work, How to Do Them Properly, and Whether They Help During a Diet
- Patryk Boldowski
- Jun 7
- 4 min read
Example of a balanced high‑carb meal often used during a refeed day.
Refeed days have become increasingly popular among people dieting, training hard, or trying to break through fat‑loss plateaus. But what exactly is a refeed? Why does it work? And how do you do it correctly without turning it into a cheat day?
This guide explains everything you need to know — backed by sports‑nutrition evidence and practical experience — so you can use refeeds safely and effectively.
What Is a Refeed Day?
A refeed day is a planned, structured increase in calorie intake, focused mainly on carbohydrates, during an ongoing calorie deficit. Its purpose is to temporarily counteract the metabolic and psychological effects of dieting.
Unlike a cheat day, a refeed is controlled, intentional, and macro‑specific — not an excuse to binge.
Why Refeed Days Work
Refeed days work because long‑term dieting causes several predictable physiological changes:
1. Leptin temporarily increases
During a calorie deficit, leptin — the hormone that regulates hunger and metabolism — drops. A high‑carb refeed can temporarily raise leptin levels, which may reduce hunger and improve metabolic rate.
2. Glycogen stores refill
Carbohydrates replenish muscle and liver glycogen, improving training performance, strength, and energy.
3. Better training = better fat loss
With full glycogen stores, you can train harder, maintain intensity, and preserve muscle mass — all of which support long‑term fat loss.
4. Psychological relief
Refeeds reduce diet fatigue, cravings, and the mental stress of long‑term restriction. This makes people more consistent and less likely to binge.
5. May help break plateaus
A temporary increase in calories and carbs can help overcome weight‑loss stalls caused by metabolic adaptation.
Refeed Day vs Cheat Day (Important Difference)
Feature | Refeed Day | Cheat Day |
Structure | Planned & controlled | Uncontrolled |
Calories | Slight surplus or maintenance | Often very high |
Focus | High carbs, moderate fat | Anything goes |
Purpose | Hormonal & performance benefits | Enjoyment |
Risk of fat gain | Low | High |
Refeeds are strategic. Cheat days are indulgent.
Sports‑nutrition sources clearly distinguish the two.
How to Do a Refeed Day Correctly
1. Increase carbohydrates significantly
Carbs have the strongest effect on leptin and glycogen. Most protocols double or even triple your usual carb intake.
2. Keep protein the same
No need to increase protein — keep it at your normal daily target.
3. Keep fats low to moderate
High fat + high carbs = unnecessary calorie surplus. Refeeds should be high‑carb, not high‑fat.
4. Calories should reach maintenance or slightly above
Typical refeed calories: Maintenance → +10–20% above deficit This is enough to trigger the benefits without overshooting.
5. Duration: 1 day (sometimes 2)
Most people only need one day. Athletes or people deep into a cut may use two consecutive days.
6. Choose clean, high‑carb foods
Examples:
rice, pasta, potatoes
oats, cereal
fruit
low‑fat desserts
bagels, bread
high‑carb recipes (like your mug cake)
7. Expect temporary weight gain
This is water + glycogen, not fat. A 0.5–2 kg increase is normal and disappears within 48–72 hours.
Who Should NOT Use Refeed Days
According to UK‑aligned guidance, refeeds are not recommended for:
under‑18s
pregnant or breastfeeding women
people with eating disorders
individuals with diabetes using insulin or sulfonylureas
anyone with a BMI below 18.5
If someone experiences fatigue, hair loss, mood issues, or menstrual irregularities during dieting, they should contact a GP.
Benefits of Refeed Days (Backed by Evidence)
1. Improved metabolism (short‑term)
Refeeds may temporarily increase metabolic rate by raising leptin.
2. Better training performance
Glycogen replenishment improves strength and endurance.
3. Muscle preservation
Intermittent refeeds may help maintain lean mass during dieting.
4. Reduced cravings & better adherence
A structured break from restriction improves long‑term consistency.
Sample Refeed Day (Example)
Calories:
Maintenance or +10–20% above deficit
Macros:
High carbs (60–75% of calories)
Moderate protein (same as usual)
Low fat (15–25% of calories)
Example foods:
oats + fruit
bagels
rice bowls
potatoes
cereal
low‑fat yoghurt
high‑carb mug cake
pasta with low‑fat sauce
fruit smoothies
How Often Should You Refeed?
Most people benefit from:
Every 1–2 weeks during a deficit
Weekly if you’re lean (10–15% body fat)
Every 2–3 weeks if you have more fat to lose
This varies based on training intensity, deficit size, and individual response. (Expert guidance suggests refeeds are most useful when progress stalls.)
Is a Refeed Good for Dieting? (Short Answer)
Yes — when done correctly.
Refeeds can:
improve training
reduce cravings
support metabolism
help break plateaus
make dieting more sustainable
They are not magic, but they are a powerful tool when used strategically.
FAQ
Do refeed days help with fat loss?
Yes — indirectly. They improve training, adherence, and metabolic signalling, which supports long‑term fat loss.
Will I gain fat during a refeed?
No, not if it’s controlled. Weight gain is water + glycogen.
Is a refeed the same as a cheat day?
No. Refeeds are structured and high‑carb; cheat days are unplanned and high‑fat.
How long should a refeed last?
Usually 24 hours; sometimes 48 for advanced athletes.
Refeed days are a smart, evidence‑based tool for anyone dieting, training hard, or struggling with plateaus. When done correctly — high‑carb, controlled calories, low fat — they improve performance, mood, and long‑term consistency.
If you want a personalised plan that includes refeeds, structured nutrition, and weekly check‑ins, my online coaching programme is designed exactly for that.
If you want a structured, personalised approach to refeeds, training and nutrition, this is exactly how I work with my clients.
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