What is Creatine Monohydrate (Creatine Monohydrate)?
Creatine monohydrate is a natural compound stored in muscles as phosphocreatine, facilitating the rapid regeneration of ATP (cellular energy) during high-intensity exertion. It is synthesized in the body in the liver, kidneys, and pancreas, and is also obtained through meat and fish. Supplementation increases muscle creatine stores by 10-40%, supporting strength and explosive performance.
- CAS number: 6020-87-7
- Molecular formula: C₄H₉N₃O₂·H₂O
What Does Creatine Monohydrate Do? Why is it Used?
Creatine monohydrate is an ergogenic supplement with the strongest scientific evidence and two EFSA-approved claims for increasing strength, explosiveness, and muscle mass. It is a cost-effective, safe, and well-researched reference standard. It is the first-choice compound in strength, explosive, and repetitive high-intensity sports disciplines.
Usage as Sports Nutrition
The following information is based on sports nutrition research (ISSN position stands, randomized controlled trials, and meta-analyses); the level of evidence is clearly specified for each point.
- Phosphocreatine System and Power-Explosiveness: Phosphocreatine in muscles rapidly replenishes ATP during maximal efforts in the first few seconds. Increasing stores elevates power output in short-duration, high-intensity tasks such as sprinting, jumping, and weightlifting. The EFSA-approved claim: 'Creatine increases physical performance in successive short bursts of high-intensity exercise' (3 g/day).
- Muscle Mass and Fat-Free Mass: According to the ISSN, creatine monohydrate is the most effective ergogenic supplement available for increasing high-intensity exercise capacity and fat-free mass during training. The effect occurs through both acute cellular hydration and increased training volume/stimulus.
- Repeated Sprint and Set Performance: It accelerates recovery during successive high-intensity exertion repetitions (repeated sprints, multiple sets), thereby increasing total work capacity. It reduces performance decline between sets in team sports and resistance training.
- Dosage and Protocol: Optional loading phase 20 g/day (5-7 days) + maintenance 3-5 g/day; or directly 3-5 g/day. It is an ergogenic agent requiring daily long-term use with cumulative effects.
- Safety and Tolerance: The ISSN reports that usage up to 30 g/day for up to 5 years is safe and well-tolerated in healthy individuals. There is no evidence that it harms kidney function in healthy individuals.
Forms and Differences
Creatine Monohydrate is available in different forms; form selection is made based on bioavailability, stability, and intended use:
- Creatine Monohydrate: The most researched, most evidenced, and most cost-effective form. The majority of scientific studies have been conducted with this form; the ISSN describes creatine monohydrate as 'the most effective ergogenic nutritional supplement available to athletes.' The reference gold standard.
- Micronized Creatine Monohydrate: Monohydrate with reduced particle size and increased surface area. Its solubility and dispersion in water are improved, and gastrointestinal comfort is increased for some individuals; it is equivalent in efficacy to standard monohydrate.
- Creatine HCL / Other Salts (Comparison): Creatine hydrochloride and similar alternative forms are marketed; however, there is no strong evidence showing superior efficacy over monohydrate. Listed for comparison purposes; standard monohydrate is preferred.
Usage in Dietary Supplements
- Loading Phase (optional, rapid saturation): To fill muscle creatine stores as quickly as possible: ~0.3 g/kg/day (typically 20 g, divided into 4 equal doses) for 5-7 days. According to the ISSN, this method maximizes stores in the shortest time.
- Maintenance Phase: High creatine stores are maintained with 3-5 g/day after loading. Direct intake of 3-5 g/day without loading also fills stores within 3-4 weeks (the effect starts more slowly).
- Timing and Intake: Can be taken at any time of day; intake with carbohydrates/protein may slightly increase muscle uptake. Regular daily use is more important than single-time timing.
Usage in the Food Industry
- Functional Food and Sports Products: Formulated as an ergogenic component in powder mixes, protein powders, gels, and functional beverages. Usage in sports foods is permitted under the Turkish Food Codex Sports Foods Regulation (up to ≤5 g per recommended daily dose).
- Stability Note: Stable in dry powder form; over time in liquid environments and at low pH, it converts to creatinine. Therefore, shelf life and pH control are important in beverage formulations.
Effects on Health
- Short-Term High-Intensity Performance (EFSA Approved): EFSA has authorized the claim that 'creatine increases physical performance in successive short bursts of high-intensity exercise' (with the condition of 3 g/day intake). This is the most scientifically robustly proven effect of creatine.
- Muscle Strength in Individuals ≥55 Years Old (EFSA Approved, 2nd Claim): EFSA/EU (Regulation 2017/672) authorized the positive effect of 3 g/day of creatine on muscle strength in adults over 55 when combined with regular resistance training. Training should be performed at least 3 times a week at 65-75% 1RM intensity.
- Role in Energy Metabolism: The creatine/phosphocreatine system is central to cellular ATP regeneration; it acts as an energy buffer in tissues with high energy demands, such as skeletal muscle and the brain.
Status of Health Claims (EFSA) — Transparent Information
Creatine is one of the rare compounds with TWO authorized health claims approved by EFSA in the context of sports: (1) 'Increases physical performance in successive short bursts of high-intensity exercise' with 3 g/day (Reg. 432/2012); (2) 'Contributes to muscle strength' with 3 g/day combined with resistance training in individuals over 55 (Reg. 2017/672). Endurance/endurance claims have been rejected by EFSA.
Usage Limits and Safety
- Typical usage dose: Maintenance 3-5 g/day; optional loading 20 g/day (5-7 days)
- Upper Intake Level (UL): No official UL has been established. EFSA considers 3 g/day safe; ISSN reports that usage up to 30 g/day for up to 5 years is safe in healthy individuals.
- Turkish Legislation (Sports Foods / TETGK): Turkish Food Codex Sports Foods Regulation (2003/42, amended 2018/50): The amount of creatine monohydrate in sports foods at the recommended daily dose must NOT EXCEED 5 g. A warning stating 'may cause gastrointestinal discomfort in some individuals and may impair kidney function' is mandatory on the label.
'Water retention/bloating' may be mild in the first few days; the claim that it is 'harmful to kidneys' is an unproven myth in healthy individuals. Individuals with kidney disease should consult a physician.
Technical Specifications
| Parameter | Value |
|---|---|
| Moisture | ≤5.0 % |
| Total Heavy Metals | ≤10 ppm |
| E. Coli | Negative in 10 g |
| Salmonella | Negative in 25 g |
| Solubility | Sparingly Soluble in Water |
Scientific Studies
The following independent studies relate to the component's effects on sports performance, bioavailability, and efficacy (study types are specified):
- PubMed 28615996 — ISSN position stand: Safety and efficacy of creatine supplementation in exercise, sport, and medicine (Kreider et al., 2017)
- PubMed 17685040 — ISSN position stand: Creatine supplementation and exercise (Buford et al., 2007)
Technical Documents and Supply — Asuka Kimya
You can contact Asuka Kimya for SDS, TDS, CoA and supply conditions for Creatine Monohydrate.
References
- efsa.onlinelibrary.wiley.com
- eur-lex.europa.eu
- ods.od.nih.gov
- pubmed.ncbi.nlm.nih.gov
- pubmed.ncbi.nlm.nih.gov
The usage, sports nutrition, and health information on this page have been compiled from official legislation/institution sources (EFSA, NIH ODS, ISSN, Turkish Food Codex Sports Foods / Dietary Supplements Regulation) and independent scientific publications (PubMed). The product is a food supplement/sports nutrition raw material; it does not aim to diagnose or treat diseases.