The most studied supplement in existence

Few nutritional compounds have accumulated the research base that creatine monohydrate has. Over three decades, across hundreds of randomised controlled trials, its primary mechanism — phosphocreatine resynthesis in skeletal muscle — has been established with a consistency that is rare in nutritional science.

Understanding what the evidence actually shows — and what it does not — is the most useful starting point for anyone considering its role in a training protocol.

The mechanism

Creatine is a naturally occurring compound synthesised in the liver and kidneys from the amino acids arginine, glycine, and methionine. It is stored primarily in skeletal muscle as phosphocreatine, where it plays a central role in the phosphagen energy system: the rapid, oxygen-independent pathway that powers maximal-intensity effort lasting up to approximately 10 seconds.

During high-intensity activity, phosphocreatine donates a phosphate group to ADP, regenerating ATP — the molecule that powers muscular contraction. When phosphocreatine stores are depleted, the capacity for maximal effort declines until those stores are replenished. Oral creatine supplementation increases total creatine and phosphocreatine stores in muscle tissue, thereby increasing the capacity for phosphocreatine-dependent energy production.

What the research shows

The evidence base for creatine in high-intensity exercise is among the most consistent in sports nutrition:

Power and strength output. Multiple meta-analyses have found that creatine supplementation is associated with meaningful improvements in peak power output and strength in resistance-trained individuals. Effect sizes vary by training status, but increases of 5–15% in relevant performance measures are reported across the literature.

Repeated sprint performance. Creatine’s benefits are most pronounced in activities involving repeated bouts of high-intensity effort with short recovery intervals. This is consistent with its role in phosphocreatine resynthesis — faster resynthesis supports recovery between efforts.

Muscle hypertrophy. The evidence for creatine’s contribution to lean mass accretion is substantial, though the mechanism is not purely direct. Creatine supplementation supports greater training volume — which is the primary driver of hypertrophy — and may also have some direct cellular effects on muscle protein synthesis.

Cognitive function. An emerging body of research suggests creatine may support cognitive performance, particularly in conditions of sleep deprivation or elevated mental demand. This is consistent with its role in ATP regeneration in the brain, where phosphocreatine stores also exist. This research area is less mature than the exercise performance evidence.

What the research does not show

Creatine is not relevant to all exercise modalities equally. Its benefits are concentrated in phosphocreatine-dependent activities — high-intensity, short-duration efforts. Evidence for meaningful effects in sustained aerobic performance (e.g., distance running, cycling) is less consistent.

It is also worth noting that individual responses to creatine vary. Approximately 25–30% of individuals in research populations are identified as “non-responders” — those who show minimal increases in muscle phosphocreatine following supplementation. The reasons are not fully understood but may include baseline dietary creatine intake, pre-existing muscle phosphocreatine levels, and fibre-type composition.

Dosing and form

Creatine monohydrate is the most extensively studied form. Other forms — creatine HCl, buffered creatine, creatine ethyl ester — have been marketed as superior, but the evidence supporting preferential use over monohydrate is limited.

Standard dosing protocols:

  • Maintenance: 3–5g daily. This approach achieves full muscle saturation over 3–4 weeks and is associated with less gastrointestinal discomfort than loading protocols.
  • Loading protocol: 20g daily (split across 4 doses) for 5–7 days, followed by a maintenance dose of 3–5g daily. This achieves saturation faster but is not necessary for long-term outcomes.

EH-02 The Bomb Squad provides 5g of creatine monohydrate per serving — a maintenance dose consistent with the established literature.

Key takeaways

  • Creatine monohydrate is the most evidence-supported compound in sports nutrition for high-intensity exercise performance
  • Its primary mechanism — phosphocreatine resynthesis — is well-established across decades of research
  • Benefits are most pronounced in repeated, high-intensity efforts; evidence for aerobic endurance is less consistent
  • 3–5g daily is an effective maintenance dose; a loading phase is not required for long-term outcomes
  • Individual responses vary; a minority of users may experience minimal performance effects

How EliteHealth approaches performance

EH-02 The Bomb Squad is formulated around the four primary variables in training performance: power output, endurance capacity, hydration, and recovery. Creatine monohydrate is one component of that system — dosed at 5g, consistent with the evidence. Explore the Performance & Recovery collection for the full context.

This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider before starting any supplement.