Refeed Day
A refeed day is a planned one- or two-day increase in calories, mostly from carbohydrate, taken during a calorie deficit. It typically brings intake up to around maintenance. Coaches use it to refill glycogen, support training quality and give a diet a psychological break.
Refeed Day: what is it?
A refeed is not a cheat day. The distinction matters and is worth being pedantic about with clients: a refeed is a prescribed intake on a chosen day, with a target and a macro composition, and it is written into the plan before the week starts. A cheat day is the absence of a plan. One is a tool; the other is usually the thing that undoes three days of work.
What a refeed actually does
The clearest and least disputed effect is glycogen. A sustained deficit, especially a lower-carbohydrate one, gradually depletes muscle glycogen, and training quality follows it down. A day of higher carbohydrate refills the tank, and the next few sessions usually feel and look better.
The second effect is behavioural, and for most clients it is the bigger one. A diet with a scheduled higher-calorie day is easier to plan a social life around and easier to keep going. Placing the refeed on the day the client would have struggled anyway, a Saturday, a family meal, a match day, converts a likely deviation into part of the plan.
How to program one
The extra calories come from carbohydrate. Fat stays around its normal level or slightly lower, and protein does not change. Raising fat instead adds calories without the glycogen effect and without the fullness that makes the day feel like a genuine break.
| Variable | Typical prescription | Why |
|---|---|---|
| Target intake | Around maintenance | Enough to matter, not enough to erase the week. |
| Extra calories from | Carbohydrate | Refills glycogen; protein and fat stay put. |
| Frequency | Weekly to fortnightly | More often the leaner the client and the longer the diet. |
| Placement | Hardest training day or biggest social day | Use it where it does the most work. |
Refeed, cheat day, diet break
These three get used interchangeably by clients and they are not the same thing. Being explicit about which one is prescribed removes most of the confusion, and most of the accidental thousand-calorie evenings.
| Length | Intake | Planned? | |
|---|---|---|---|
| Refeed | 1-2 days | Around maintenance, carb-led | Yes, with targets |
| Diet break | 1-2 weeks | Maintenance | Yes, a full phase |
| Cheat day | 1 day | Unstructured, often far above maintenance | No |
Who needs one and who does not
Refeeds earn their place as a diet gets longer and the client gets leaner. A client three weeks into a moderate deficit with plenty of body fat to lose does not need one, and adding it mostly slows progress. A lean client twelve weeks in, training hard and running out of motivation, is exactly the case for it.
One caution worth naming. For a client with a history of binge eating or a difficult relationship with food, a licensed high-calorie day can do more harm than good, and a structured diet break at maintenance is usually the safer tool. Coaching around disordered eating is outside a personal trainer's scope, and that is a referral, not a programming problem.
- Prescribe it: a target, a macro split, a date in the plan.
- Raise carbohydrate, hold protein, keep fat roughly flat.
- Expect the scale to jump the next morning; it is glycogen and water.
- Skip it early in a diet, when there is nothing yet to relieve.
Key takeaways
- A refeed is a planned one- to two-day rise in calories, mostly from carbohydrate.
- It refills glycogen, supports training quality and makes a long diet easier to sustain.
- It is not a cheat day: it has a target intake and a macro composition.
- It matters more the leaner the client and the longer the deficit has run.
Frequently asked questions
How often should a client refeed?
It depends on how lean they are and how long the diet has run. A client early in a moderate deficit with plenty of fat to lose may not need one at all. A leaner client several months in often does well with one or two higher-carbohydrate days a week.
Is a refeed the same as a cheat day?
No. A refeed has a target intake, a defined macro composition and a date in the plan. A cheat day has none of those, and typically adds far more calories than a refeed while doing less for glycogen. Being explicit about the difference is part of the coaching.
Why does the scale jump after a refeed?
Stored carbohydrate holds water, and more food in the digestive system weighs something too. A rise of a kilo or more the next morning is normal and is not fat. Tell the client in advance, and read the weekly average rather than the Sunday number.
Updated August 28, 2026
If you coach people
Gymkee gives your clients a professional app with their workouts, nutrition, assessments and habits in one place, and saves you about 2 hours per client per week.
Try Gymkee free for 14 daysNo credit card required.
If you are the one training
The rest of this site is free and needs no account.
