Body recomposition: how to build muscle and lose fat

Body recomposition is losing fat and gaining muscle at the same time. Most people think you have to pick bulking or cutting. Not true. With enough protein and progressive overload, your body can do both. I've seen it in beginners or people returning from a break. It's slower. Maybe 2 pounds of muscle a month instead of 4. But you skip the misery. This page covers how to set up meals and training for it.

Body recomposition describes the process of simultaneously increasing skeletal muscle mass while decreasing fat mass [1][2]. It shifts the focus from the scale to what the scale can't show: the ratio of muscle to fat. Research on this topic is ongoing, with new insights and advances continuing to emerge [3]. Resistance training combined with appropriate dietary intake appears to be a reliable way to promote this type of change [2]. For many people, weight loss plateaus are a major obstacle [4], and even newer metabolic therapies can lead to weight-loss stagnation [5]. Body recomposition offers an alternative goal, one that prioritizes preserving or building muscle while reducing fat [1]. Even in clinical populations, such as adults with growth hormone deficiency, unfavorable body composition is linked to increased cardiovascular risk, making recomposition a relevant target beyond general fitness [6].

Practical Playbook

  1. What calorie target actually works for recomp?

    Start with maintenance. Track your weight for a week without changing anything. That's your baseline. On lifting days, eat 200-300 calories above maintenance; on rest days, 200-300 below. The deficit isn't huge, but it adds up. Your body can't build muscle in a big deficit, so keep it narrow.

  2. Make protein non-negotiable at every meal

    Aim for 1.6 to 2.2 grams per kilogram of body weight. Spread it across four meals: breakfast, lunch, dinner, and a snack. If one meal is low, the other meals have to compensate. Realistically, an 80g portion of chicken breast gives you about 25g. You'll need to plan ahead.

  3. How do you know you're building muscle?

    The scale won't tell you. Take progress photos and measure waist circumference every two weeks. Better yet, track your lifts. If your squat goes up 5kg while your waist stays the same, you're winning. Ignore day-to-day fluctuations. Focus on the trend over months.

  4. Lift heavy and add volume gradually

    Stick to compound lifts: squat, bench, deadlift, row, overhead press. Work in the 5-10 rep range. Each week try to add a rep or a little weight. If you stall, add an extra set. Volume is the driver of muscle growth. But don't jump too fast; add one set per exercise per week.

Process at a glance1What calorietarget actuallyworks for…2Make proteinnon-negotiableat every me…3How do you knowyou're buildingmuscle?4Lift heavy andadd volumegradually
Process at a glance

Common Mistakes

  • Mistake
    Cutting calories too aggressively while still trying to build muscle.
    Why
    Your body can't synthesize new tissue without energy. A 1000-calorie deficit might work for pure fat loss, but it'll torch the muscle you're trying to keep.
    Fix
    Stick to a 200-300 calorie deficit max. That's the sweet spot where fat drops but your lifts don't tank.
  • Mistake
    Training like a bodybuilder every day without enough rest.
    Why
    Muscle grows when you recover, not when you're in the gym. Daily high-volume sessions leave no room for repair, especially in a calorie deficit.
    Fix
    Cut to three or four heavy sessions a week. Focus on compound lifts and progressive overload.
  • Mistake
    Ignoring protein intake because 'calories are all that matter.'
    Why
    Protein is the building block for muscle. In a deficit, if you're not getting enough, your body will break down muscle for energy instead of fat.
    Fix
    Set a protein target of 0.8-1g per pound of bodyweight. Plan every meal around hitting that number first.
  • Mistake
    Assuming you can recomp in a few weeks.
    Why
    Body recomposition is slow. Expecting visible changes in a month leads to frustration and quitting. It's a 6-12 month process for most people.
    Fix
    Track weekly measurements and lift numbers, not daily scale weight. Look for trends over months, not days.

Frequently asked questions

From the Dorsi blog

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Building Muscle After 50: What Changes and What Doesn't

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Sources we drew from

  1. 1
    Effects of resistance training on body recomposition, muscular strength, and phase angle in older women with different fat mass levels.Peer-reviewed

    Ribeiro AS et al. · 2023 · Aging clinical and experimental research

    <h4>Aims</h4>The concomitant increase in skeletal muscle mass (SMM) and decrease in fat mass has been termed body recomposition.

  2. 2
    Moderate and Higher Protein Intakes Promote Superior Body Recomposition in Older Women Performing Resistance Training.Peer-reviewed

    Ribeiro AS et al. · 2022 · Medicine and science in sports and exercise

    <h4>Purpose</h4>Resistance training (RT) combined with appropriate dietary intake can promote a concomitant increase in skeletal muscle mass (SMM) and reduction in fat mass, a condition termed body recomposition.

  3. 3
    Editorial: New insights and advances in body recomposition.Peer-reviewed

    Bonilla DA et al. · 2024 · Frontiers in nutrition

    Editorial: New insights and advances in body recomposition.

  4. 4
    Weight Loss Plateau: Reasons, Challenges, and Solutions: A Narrative Review.Peer-reviewed

    Ashtary-Larky D & Mohammadi S · 2026 · Health science reports

    <h4>Background and aim</h4>Weight loss plateau (WLP) is one of the most significant obstacles for individuals with overweight and obesity during weight loss (WL).

  5. 5
    Maximizing Metabolic Synergy: A Review of Dual Incretin Therapy as a Step-Up Strategy Following Glucagon-Like Peptide-1 (GLP-1) Monotherapy Failure or Optimization.Peer-reviewed

    Ansari Lari S et al. · 2026 · Cureus

    While single-pathway glucagon-like peptide-1 (GLP-1) receptor agonists (RAs) have transformed metabolic medicine, patients encounter therapeutic ceilings, glycemic plateaus, and weight-loss stagnation despite ongoing treatment.

  6. 6
    Analysis of the effect of recombinant human growth hormone therapy on metabolic parameters in patients with severe growth hormone deficiency in adulthood.Peer-reviewed

    Żak-Skryśkiewicz Z et al. · 2026 · Endokrynologia Polska

    <h4>Introduction</h4>Severe growth hormone deficiency (GHD) in adults is associated with unfavorable metabolic disturbances and adversechanges in body composition, contributing to increased cardiovascular risk and impaired quality of life.

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