By the Protein Chefs team
Body recomposition means losing body fat and gaining muscle at the same time. Your weight on the scale may barely move, but your waist gets smaller, your lifts go up and your clothes fit differently. It is not a myth, and it is not only for beginners.
The formula is simple: lift weights with progressive overload, eat enough protein (about 1.6 to 2.2 g per kilogram of body weight per day), keep calories near maintenance or in a small deficit, and sleep 7 to 9 hours. Below, we cover who it works best for, what the research says, exact targets, and a sample day of eating.
What is body recomposition?
Most diets aim to change your weight. Body recomposition aims to change what that weight is made of: less fat mass, more lean mass. A 2020 review in the Strength and Conditioning Journal notes there is no standard definition, but practitioners use "body recomposition" for building muscle and losing fat at the same time (Barakat et al., 2020).
That is why the scale can mislead you. Lose 2 kg of fat and gain 1.5 kg of muscle, and the scale shows a drop of only 0.5 kg, even though your body looks and performs very differently.
Who body recomposition works best for
Anyone who trains can recomp to some degree, but some people see faster results.
- Beginners. New lifters respond quickly to training, so muscle gain can outpace the effect of a modest calorie deficit.
- Returning lifters. If you trained before and took time off, rebuilding lost muscle usually goes faster than building it the first time, so recomp progress can be quick.
- People with higher body fat. More stored energy makes it easier to fuel muscle growth while in a deficit.
- Trained, leaner people. It is still possible, just slower. The Barakat review highlights a substantial body of research showing recomposition in resistance-trained individuals, not only in novices or people with excess body fat.
A systematic review of lean, resistance-trained athletes dieting down found that the groups who gained or held fat-free mass tended to be the ones with higher body fat, smaller calorie deficits or a new training stimulus (Helms et al., 2014). In practice: the leaner and more experienced you are, the smaller your deficit should be.
What the evidence says about body recomposition
One of the clearest studies comes from McMaster University in Hamilton. Young men ate about 40% fewer calories than they needed for four weeks while doing resistance training and high-intensity intervals six days a week. The group eating 2.4 g of protein per kg gained 1.2 kg of lean mass and lost 4.8 kg of fat. The group eating 1.2 g/kg gained almost no lean mass (0.1 kg) and lost 3.5 kg of fat (Longland et al., 2016).
That was an aggressive, supervised setup, so do not copy the deficit. The takeaway is that hard training plus high protein can build muscle even while fat comes off.
The Barakat review lands on the same two pillars: progressive resistance training and evidence-based nutrition. It also points to sleep and hormones as factors, and warns that body composition tools have real limits, which matters for how you track progress.
Calorie targets for body recomposition
You do not need a big deficit. In fact, a big one makes muscle gain harder. Use these starting points, then adjust every two to three weeks based on your measurements:
- Higher body fat: a moderate deficit, roughly 300 to 500 calories below maintenance.
- Average body fat, or returning lifter: a small deficit, around 200 to 300 calories below maintenance.
- Lean and experienced: eat at about maintenance and let training drive the change.
If your waist is shrinking and your lifts are climbing, keep going. If strength is dropping for several weeks, eat a little more.
Protein targets for body recomposition
Protein is the nutrient that makes recomposition work. A meta-analysis of 49 trials found that gains in fat-free mass from resistance training levelled off around 1.6 g of protein per kg per day (Morton et al., 2018). In a calorie deficit, needs go up: the McMaster trial used 2.4 g/kg, and the Helms review suggests 2.3 to 3.1 g per kg of fat-free mass for lean athletes who are dieting.
For most people, 1.6 to 2.2 g/kg is a practical range. If you carry a lot of body fat, base the math on your goal weight.
| Body weight | Daily protein (1.6 g/kg) | Daily protein (2.2 g/kg) |
|---|---|---|
| 60 kg (132 lb) | 96 g | 132 g |
| 70 kg (154 lb) | 112 g | 154 g |
| 80 kg (176 lb) | 128 g | 176 g |
| 90 kg (198 lb) | 144 g | 198 g |
| 100 kg (220 lb) | 160 g | 220 g |
Spread it out. A review on per-meal protein suggests about 0.4 g/kg per meal across at least four meals to reach 1.6 g/kg per day (Schoenfeld and Aragon, 2018). For an 80 kg person, that is roughly 32 g per meal, four times a day. Our high-protein meal plan shows how to hit those numbers.
Training for body recomposition
Training tells your body to keep and build muscle while you eat a little less. Without it, a deficit takes muscle along with fat.
- Lift at least two to four days a week. Canada's 24-Hour Movement Guidelines recommend muscle-strengthening activities at least twice a week as a minimum for health. For recomposition, three or four sessions work well.
- Use progressive overload. Add a rep, a set or a little weight over time. Log every session.
- Get enough volume. A meta-analysis found a graded dose-response between weekly sets and muscle growth, with higher volumes producing more gains (Schoenfeld et al., 2017). Around 10 or more hard sets per muscle per week is a sensible target once you are past the first few months.
- Keep cardio as support. Walking and a couple of conditioning sessions help with fat loss and health. Just do not let cardio eat into your recovery for lifting.
Recovery matters as much as the workout. Our guide to protein for muscle recovery covers what to eat around training.
Sleep: the overlooked recomp tool
Canada's guidelines recommend 7 to 9 hours of good-quality sleep for adults. For body composition, the stakes are higher than feeling rested.
In a controlled trial, adults on the same reduced-calorie diet slept either 8.5 or 5.5 hours a night for two weeks. With short sleep, fat loss was 55% lower (0.6 kg vs. 1.4 kg) and loss of fat-free mass was 60% higher (2.4 kg vs. 1.5 kg) (Nedeltcheva et al., 2010). The study was small, but the message is clear: short sleep pushes weight loss toward muscle instead of fat.
How to track body recomposition progress beyond the scale
Because weight can stay flat, you need better measures. Use at least three of these:
- Waist measurement. Measure at the navel, same time of day, once a week. A shrinking waist with stable weight is a strong sign of recomp.
- Strength log. Rising numbers on key lifts suggest you are holding or building muscle.
- Progress photos. Same lighting, same angles, every two to four weeks.
- Weekly average weight. Daily weight swings with water and salt. A seven-day average is more useful.
- Body composition scans, with caution. Smart scales and other tools can be inconsistent, a limitation the Barakat review flags. If you use one, keep conditions the same each time and watch trends, not single readings.
Sample body recomposition day of eating
This example is for an 80 kg person aiming for about 150 g of protein. Protein values are calculated from the Canadian Nutrient File and rounded. Add vegetables freely and adjust portions of carbs and fats to your calorie target.
| Meal | What to eat | Protein |
|---|---|---|
| Breakfast | 250 g plain 2% Greek yogurt, 40 g large-flake oats, 15 g hemp hearts, half a banana | 35 g |
| Lunch | 150 g roasted chicken breast, 150 g cooked brown rice, large salad | 50 g |
| Snack | 200 g 2% cottage cheese with berries | 21 g |
| Dinner | 150 g baked salmon, 200 g baked sweet potato, 75 g edamame, roasted vegetables | 45 g |
| Total | about 151 g |
That works out to about 1.9 g/kg, in the middle of the target range, with protein spread evenly across the day. For more structure, see our guide on how to lose fat without losing muscle.
Make recomposition easier with meals that are already counted
The hardest part of recomposition is consistency: hitting your protein every day while staying close to your calorie target. Protein Chefs meals are chef-prepared and fresh, and every meal lists calories, protein, carbs and fat on the label. Our Athlete plan suits higher protein needs, and the Weight Loss plan fits a small deficit.
FAQ: Body recomposition
How long does body recomposition take?
Many people notice changes in their waist measurement and strength within a few months of consistent training and eating. Visible changes take longer for lean, experienced lifters. Track trends over months, not days.
Can you do body recomposition at maintenance calories?
Yes, especially if you are a beginner, a returning lifter or carry extra body fat. Lean, experienced lifters also often do best near maintenance, since a large deficit makes muscle gain harder. Progress is slower than a dedicated cut or bulk, but you avoid both extremes.
How much protein do I need for body recomposition?
Aim for about 1.6 to 2.2 g of protein per kg of body weight per day. Research shows muscle gains from training level off around 1.6 g/kg, and needs rise in a calorie deficit. Spread it across three or four meals of roughly 0.4 g/kg each.
Why is my weight not changing during recomposition?
You may be losing fat and gaining muscle at a similar rate, so the scale stays flat. Check your waist measurement, strength log and photos. If all three are flat for a month, adjust calories or training.
Is body recomposition better than bulking and cutting?
It depends on your goal and starting point. Recomposition suits beginners, returning lifters and people with higher body fat. Lean, advanced lifters who want to add muscle faster may do better with a planned lean bulk followed by a short cut.
This article is general education and not individual medical advice. If you have a health condition, take medication or are pregnant, speak with your doctor or a registered dietitian.
References
- Barakat C, Pearson J, Escalante G, Campbell B, De Souza EO. Body recomposition: can trained individuals build muscle and lose fat at the same time? Strength Cond J 2020;42(5):7-21.
- Helms ER, Zinn C, Rowlands DS, Brown SR. A systematic review of dietary protein during caloric restriction in resistance trained lean athletes: a case for higher intakes. Int J Sport Nutr Exerc Metab 2014;24(2):127-38.
- Longland TM, Oikawa SY, Mitchell CJ, Devries MC, Phillips SM. Higher compared with lower dietary protein during an energy deficit combined with intense exercise promotes greater lean mass gain and fat mass loss: a randomized trial. Am J Clin Nutr 2016;103(3):738-46.
- Morton RW, Murphy KT, McKellar SR, et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. Br J Sports Med 2018;52(6):376-384.
- Schoenfeld BJ, Aragon AA. How much protein can the body use in a single meal for muscle-building? Implications for daily protein distribution. J Int Soc Sports Nutr 2018;15:10.
- Canadian Society for Exercise Physiology. Canadian 24-Hour Movement Guidelines for Adults aged 18-64 years. Accessed October 27, 2026.
- Schoenfeld BJ, Ogborn D, Krieger JW. Dose-response relationship between weekly resistance training volume and increases in muscle mass: a systematic review and meta-analysis. J Sports Sci 2017;35(11):1073-1082.
- Nedeltcheva AV, Kilkus JM, Imperial J, Schoeller DA, Penev PD. Insufficient sleep undermines dietary efforts to reduce adiposity. Ann Intern Med 2010;153(7):435-41.
- Health Canada. Canadian Nutrient File. Accessed October 27, 2026.
