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Dr. Grey AI

Protocol · Sports Performance

Swimming Performance Enhancement Protocol

Creatine Monohydrate and Caffeine are the core of this stack, with 6 supporting supplements. Each row gives the amount the protocol lists and the grade our evidence database holds for that supplement in Swimming Performance Enhancement.

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

The stack

8 supplements · 3 graded

Amount listed in this protocol; not a recommendation.

Supplements in the Swimming 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 (loading optional)

Enhances phosphocreatine stores for high-intensity sprints and interval training; may improve short-distance swimming

  • Aerobic Exercise Metrics: studied
  • Power Output: improves
  • Anaerobic Capacity: improves
  • Weight: improves
  • Swimming Performance Metrics: improves
Grade D for Aerobic Exercise Metrics2 studies · 26 people
CaffeineAmount listed: 3–6 mg/kg body weight 30–60 minutes before competition

Reduces perceived exertion and enhances endurance; may improve swimming performance particularly in longer events

Not graded yet
Supporting stackListed as additions to the core
Beta-AlanineAmount listed: 3.2–6.4 g daily in divided doses for 4–8 weeks

Increases muscle carnosine to buffer acid; may benefit events lasting 1-10 minutes

  • Anaerobic Capacity: improves
  • Anaerobic Exercise Performance: improves
Grade C for Anaerobic Capacity2 studies · 41 people
Sodium BicarbonateAmount listed: 0.2–0.3 g/kg body weight 60–90 minutes before event

Buffers blood acidity; may improve performance in high-intensity swimming events (100-400m)

  • Aerobic Exercise Metrics: improves
  • Serum Bicarbonate: improves
  • Anaerobic Capacity: improves
  • Power Output: improves
  • Blood Acidity: changes; see studies
Grade C for Aerobic Exercise Metrics6 people
Beetroot Juice (Nitrates)Amount listed: 500 mL juice or 400–800 mg nitrate 2–3 hours before event

Improves oxygen efficiency and may enhance endurance swimming performance

Not graded yet
Vitamin DAmount listed: 2,000–5,000 IU daily (based on levels)

Supports muscle function; indoor swimmers often deficient due to lack of sun exposure

Not graded yet
IronAmount listed: 18–65 mg daily only if ferritin <50 ng/mL

Essential for oxygen transport; deficiency common in swimmers (especially females) and impairs performance

Not graded yet
Tart Cherry JuiceAmount listed: 240–480 mL daily or equivalent concentrate

Reduces muscle soreness and inflammation; supports recovery between training sessions

Not graded yet

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  • Grade D
  • Grade C
  • Grade C

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How this protocol works

In plain language

Swimming is a unique sport that requires a combination of power, endurance, and technique, all performed in a horizontal position in water. Different events have different physiological demands: sprints (50-100m) rely heavily on the ATP-phosphocreatine system, middle distances (200-400m) push anaerobic capacity, and longer events require aerobic endurance. The right supplements can target these specific energy systems and support the high training volumes swimmers require.

IMPORTANT: Supplements should complement, not replace, proper training, technique work, and nutrition. Verify products are batch-tested for banned substances if competing (Informed Sport, NSF Certified for Sport). Young swimmers should focus on fundamentals before supplements.

  • Creatine enhances the phosphocreatine energy system used in explosive efforts. While swimming involves more technique than pure power, creatine may help with sprint performance, interval training, and strength gains from dryland work. Research shows modest benefits for short-distance swimming.
  • Caffeine is one of the most reliable performance enhancers for swimming. It reduces perceived exertion, increases alertness, and may improve both sprint and endurance performance. Many elite swimmers use caffeine strategically before competition.
  • Beta-Alanine increases muscle carnosine, which buffers the acid buildup during intense efforts. This is particularly relevant for the 100-400m events where anaerobic metabolism produces significant lactic acid. Requires daily supplementation for 4-8 weeks to load carnosine stores.
  • Sodium Bicarbonate is another buffering agent that works externally (in the blood) to neutralize acid. It's most effective for events lasting 1-10 minutes where acid accumulation limits performance. GI discomfort is common—test in training first.
  • Beetroot Juice (Nitrates) converts to nitric oxide, which improves the efficiency of muscle oxygen use. This may help with endurance events and recovery between races. Drink 2-3 hours before competing.
  • Vitamin D deficiency is extremely common in swimmers who train indoors and have limited sun exposure. Adequate vitamin D supports muscle function, immune health, and bone strength. Most swimmers should supplement, especially in winter.
  • Iron deficiency is common in swimmers due to high training volumes, water immersion effects, and dietary factors. Female swimmers are particularly at risk. Low iron dramatically impairs performance by reducing oxygen-carrying capacity. Always test before supplementing.
  • Tart Cherry Juice helps with recovery by reducing inflammation and muscle soreness. This allows for more consistent training during high-volume phases.

Expected timeline: Caffeine and sodium bicarbonate: immediate acute effects. Creatine: 1-2 weeks to saturate stores. Beta-alanine: 4-8 weeks. Iron and vitamin D (if deficient): 4-8 weeks. Recovery supplements provide ongoing support.

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