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Nutrition
Nutrition

Recovery Nutrition

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recoverypost-workoutglycogenproteinrehydrationrefueling

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DefinitionA short reference note, not a full lesson.
Core lesson 13 of 16 in Recover SmarterNext: Stretching (Before or After Exercise) Does Not Meaningfully Reduce DOMS →
Definition

Recovery nutrition restores glycogen, repairs muscle, and rehydrates — the "3 R's": Refuel (carbs), Rebuild (protein), Rehydrate (fluids + sodium).

Detail

Recovery nutrition supports the body's return to readiness after training. A practical framework is the 3 R's:

  • Refuel — carbohydrate: Replenish glycogen (see Glycogen — Stored Carbohydrate Fuel). When the next hard session is under ~4 hours away, refuel aggressively at ~1.0–1.2 g/kg/h of higher-glycemic carbohydrate for the first few hours. With a full day to recover, simply hitting daily carbohydrate targets suffices (see Carbohydrate Timing for Endurance).
  • Rebuild — protein: Provide ~0.25 g/kg or 20–40 g of high-quality protein to stimulate muscle protein synthesis and repair (see Protein — Functions, Quality, and Requirements). Adding protein to carbohydrate can modestly aid glycogen resynthesis when carbohydrate intake is suboptimal.
  • Rehydrate — fluids and sodium: Replace ~125–150% of body-weight lost as fluid, with sodium to retain it (see Hydration Strategy During Exercise).

The urgency of recovery nutrition is proportional to how soon and how hard the next session is. For a once-daily exerciser eating balanced meals, a normal post-workout meal within a couple of hours covers recovery and the "anabolic window" is wide (see The "Anabolic Window" — Evidence vs Hype). Two-a-day athletes, tournament play, and stage races are where rapid, structured recovery feeding genuinely matters. Sleep and overall energy balance remain the foundation that recovery nutrition supports (see Recovery Modalities — Overview & Evidence).

Key facts

  • 3 R's: Refuel (carbs), Rebuild (protein), Rehydrate (fluids + sodium).
  • Rapid refuel ~1.0–1.2 g/kg/h carb if next session <4 h away.
  • Rebuild with ~20–40 g (0.25 g/kg) protein.
  • Rehydrate ~125–150% of fluid lost, with sodium.
  • Urgency scales with how soon/hard the next session is.

Connections

Go deeperProtein — Functions, Quality, and Requirements

Sources

Cited in text — not yet linked
ISSN Position Stand: Nutrient Timing (Kerksick et al., 2017). Position of the AND, DC, and ACSM: Nutrition and Athletic Performance (2016).

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Educational content only — not medical advice. Always consult a qualified professional for individualized guidance, especially around injury, pregnancy, or medical conditions.

Explore related topics

Atlas Connections

The "Anabolic Window" — Evidence vs HypeClosely related
The post-workout "window" to eat protein is hours wide, not minutes; total daily protein and distribution matter far more than rushing a shake.
Carbohydrate Timing for Endurance
For long sessions, top off glycogen beforehand, take in 30–90 g of carbohydrate per hour during, and refuel aggressively afterward.
Hydration Strategy During Exercise
Start exercise well hydrated, drink to keep fluid loss under ~2% of body weight without overdrinking, add sodium when sweat losses are large, and replace ~125–150% of the weight lost afterward.
Glycogen — Stored Carbohydrate FuelClosely related
Glycogen is the body's stored carbohydrate, held in muscle and liver; it powers higher-intensity exercise and its depletion is a major cause of endurance fatigue.
Nutrient Timing — Pre, Intra, and Post-WorkoutClosely related
When you eat matters less than total daily intake, but sensible peri-workout nutrition supports performance and recovery — especially for endurance and twice-daily training.
Protein — Functions, Quality, and Requirements
Protein supplies the amino acids that build and repair tissue; active people need roughly 1.4–2.0 g per kg of body weight daily, spread across meals.
Recovery & Nutrition for Trainees 40+Closely related
From roughly 40 onward — and more sharply past 50–60 — muscle becomes more resistant to a given protein dose ("anabolic resistance") and recovers more slowly from hard training, so trainees need a higher per-meal protein target and more spacing between hard sessions, not less training.
Recovery Modalities — Overview & Evidence
A tier of add-on recovery tools (massage, foam rolling, compression, cold-water immersion, sauna, contrast) — most modestly reduce perceived soreness/fatigue, few clearly speed real repair, and some (post-lift cold) can blunt adaptation. Foundations beat gadgets.