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Protocol · Sports Performance

Rugby Performance Enhancement Protocol

Creatine Monohydrate and Caffeine are the core of this stack, with 5 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Rugby Performance Enhancement.

We are re-verifying the studies cited on protocol pages; only confirmed citations are shown.

The stack

7 supplements · 3 graded

Amount listed in this protocol; not a recommendation.

Supplements in the Rugby Performance Enhancement protocol, with the amount the protocol lists, the grade on file and confirmed studies
GradeSupplementAmount listedWhy it’s in the stackEvidence on fileShop
Primary stackThe core of this protocol
Creatine MonohydrateAmount listed: 3–5 g daily (or 20 g/day x 5 days loading, then 3–5 g maintenance)

Enhances power, strength, and repeated sprint ability critical for rugby

  • Alertness: improves
  • Power Output: improves
  • Muscle Mass: improves
  • Testosterone: improves
Grade C for Alertness2 studies · 10 people
CaffeineAmount listed: 3–6 mg/kg body weight, 30–60 min before match/training

Improves alertness, power output, and reduces perceived exertion during high-intensity exercise

  • Cortisol: improves
  • Power Output: improves
  • Training Volume: improves
  • Testosterone: improves
Grade C for Cortisol1 study · 16 people
Supporting stackListed as additions to the core
Beta-AlanineAmount listed: 3–6 g daily (divided doses)

Buffers lactic acid; supports repeated high-intensity efforts

Not graded yet
Sodium BicarbonateAmount listed: 0.2–0.3 g/kg body weight, 60–90 min before intense exercise

Buffers acid in blood; may enhance repeated sprint performance

  • Anaerobic Capacity: improves
  • Serum Bicarbonate: improves
  • Power Output: improves
  • Blood Acidity: changes; see studies
  • Blood Lactate (Exercise): changes; see studies
Grade C for Anaerobic Capacity11 studies · 25 people
ProteinAmount listed: 1.6–2.2 g/kg/day total; 20–40 g post-training

Essential for muscle repair and adaptation; high demands in contact sport

Not graded yet
Vitamin DAmount listed: 2,000–4,000 IU daily

Supports muscle function, bone health, injury prevention; indoor athletes often deficient

Not graded yet
Omega-3 Fatty AcidsAmount listed: 2–3 g EPA+DHA daily

Anti-inflammatory; supports recovery from contact sport trauma; brain health

Not graded yet

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Each opens third-party tested products, matched to the dose above where we can.

  • Grade C
  • Grade C
  • Grade C

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How this protocol works

In plain language

Rugby is a physically demanding contact sport requiring a combination of strength, power, speed, endurance, and the ability to recover from repeated impacts. Proper nutrition and supplementation can support these demands.

PHYSICAL DEMANDS:

  • High-intensity running and sprinting
  • Tackling and being tackled (contact)
  • Scrummaging (forwards)
  • Repeated explosive efforts
  • 80 minutes of play with minimal breaks

NUTRITIONAL PRIORITIES:

1. Adequate energy: Match the high caloric demands

2. Protein: For muscle repair and contact recovery

3. Carbohydrates: Fuel for training and matches

4. Hydration: Critical for performance

5. Recovery nutrition: Especially after contact sessions

EVIDENCE-BASED SUPPLEMENTS:

  • Creatine: Most proven for power and repeated sprints
  • Caffeine: Enhances alertness and power
  • Beta-alanine: Buffers acid during intense efforts
  • Protein: Essential for muscle repair

POSITION-SPECIFIC CONSIDERATIONS:

  • Forwards: Higher body mass needs, more contact, strength focus
  • Backs: Speed and agility focus, lighter body composition

CONTACT RECOVERY:

  • Omega-3s may help with inflammation
  • Adequate protein for tissue repair
  • Sleep and rest are critical

ANTI-DOPING:

  • Use only third-party tested supplements (Informed Sport, NSF Certified)

Creatine and caffeine* have strongest evidence.

Protein needs are high* due to contact and training demands.

Recovery support* with omega-3 and vitamin D.

Expected timeline: Creatine benefits in 1-2 weeks. Caffeine works acutely. Beta-alanine needs 2-4 weeks loading.

Printed from drgrey.ai/protocols/rugby-performance. For education only; not medical advice. Talk to a clinician before starting any supplement.