Body Recomposition: Gaining Muscle and Losing Fat Without a Calorie Deficit Through High Protein and Resistance Training
Summary:
Simultaneously gaining muscle and losing fat, known as body recomposition, is possible, even without a caloric deficit. This phenomenon was previously thought to be impossible by many. Key findings from multiple studies indicate that:
- A caloric deficit is not always required for body recomposition.
Body recomposition (recomp) is the simultaneous gain in lean mass and loss in fat mass. [ 00:00:58 ] - Resistance training 3-4 times per week with meaningful effort is crucial.
- A high protein intake of 1 to 1.5 grams per pound of body weight is essential.
Recommended protein intake for body recomposition: 1g to 1.5g per pound of body weight. [ 00:03:35 ] - A slight caloric surplus (approximately 10% or 200-300 calories above maintenance), primarily from protein, can facilitate this process.
A judicious caloric surplus of approximately 10% above maintenance, or 200-300 calories, is recommended. [ 00:03:19 ] - High protein intake may spontaneously drive down the intake of other macronutrients and potentially increase energy expenditure.
The Big Question [0:00]
- Is it possible to gain muscle and lose fat at the same time?
- Yes, according to recent research.
- Does it require a caloric deficit?
- Surprisingly, no.
What the Research Reveals [0:31]
- Chris Barericat, a colleague of Alan Aragon, collected studies on the body recomposition phenomenon.
Chris Barakat, a colleague of Alan Aragon, collected studies on body recomposition. [ 00:00:48 ] - He found 10 studies five years ago showing simultaneous gain in lean mass and loss in fat mass.
- Currently, at least a dozen studies confirm this phenomenon.
- Body recomposition, or "recomp," is the simultaneous gain in lean mass and loss in fat mass.
Body recomposition (recomp) is the simultaneous gain in lean mass and loss in fat mass. [ 00:00:58 ]
- Traditional belief 10 years ago was that muscle gain required a caloric surplus, and fat loss required a caloric deficit.
Surprising Study Results [1:13]
- In 7 out of the 10 studies analyzed, the recomposition was lean mass gain dominant.
- More lean mass was gained than fat was lost.
- This strongly implies that fat was lost even in a caloric surplus.
The Ideal Training Plan [1:34]
- This advice applies to non-competitive athletes (men or women).
- Resistance Training:
- Should be done 3-4 times per week (e.g., 3 times per week).
- Involves warming up for 5-10 minutes.
- Training sets should be taken close to failure.
- Aim for 3-6 sets per body part.
- Training should involve meaningful effort.
- Cardio:
- Should be done 3 times per week for about an hour each session.
- Intensity should be somewhere between Zone 2, possibly incorporating a max heart rate workout once a week or sprints within Zone 2.
Dialing In Your Diet [2:33]
- Caloric intake for recomposition should be a judicious caloric surplus.
- Approximately 10% above maintenance conditions.
- This translates to about 200-300 calories above maintenance.
A judicious caloric surplus of approximately 10% above maintenance, or 200-300 calories, is recommended. [ 00:03:19 ] - This caloric surplus should primarily come from quality protein.
The Protein Effect [3:34]
- High protein intake is a common thread in recomposition studies.
- Protein intake was typically between 1 gram to 1.5 grams per pound of body weight.
Recommended protein intake for body recomposition: 1g to 1.5g per pound of body weight. [ 00:03:35 ] - Studies by Joey Antonio and colleagues showed that adding 400-800 calories solely from protein to habitual intakes resulted in:
- Either body recomposition (muscle gain, fat loss)
- Or no significant change in body composition.
- Protein intake was typically between 1 gram to 1.5 grams per pound of body weight.
- How high protein might facilitate recomposition:
- Spontaneously drives down the intake of other macronutrients.
- Potentially increases exercise energy expenditure (EEE) and/or non-exercise energy expenditure (NEAT).
- Can lead to increased body heat; subjects in Joey Antonio's study reported sweating while sleeping after consuming 2 grams of protein per pound for 8 weeks.
Why It Might Actually Work [5:11]
- The effects of protein on energy expenditure and macro intake are complex and not fully understood.
- The observed effects in free-living studies suggest a unique metabolic response to very high protein intake.
A Caveat You Should Know [6:04]
- Considerations for self-reporting studies:
- Subjects tend to over-report healthy behaviors and under-report unhealthy ones.
- This "good pupil phenomenon" might influence reported dietary adherence.
- Despite potential misreporting, across approximately five studies where subjects added protein, generally nobody gained fat, and some even lost fat.
The Controlled Study Twist [6:33]
- Contrast with a metabolic ward study (Bray and colleagues, 2013):
- Participants were subjected to escalating amounts of protein (5%, 15%, 30% of total calories) with increased total calories.
- No exercise was involved in this controlled environment.
- Subjects gained both lean mass and fat mass, demonstrating different outcomes when physical activity is absent.
- In free-living conditions with resistance training, over-proteinizing subjects tends to result in fat loss, confirming that exercise is a crucial factor when consuming high protein and calories.
What It Means for You [7:07]
- The key takeaway is to add quality protein if you're increasing calories.
- Ensure you are consistently engaging in resistance training.
- The timing or distribution of protein intake throughout the day is less critical than achieving the total daily protein target.
- Training can be performed fasted or non-fasted, providing flexibility for individual schedules.