Creatine Monohydrate: The 5g Daily Standard

Creatine monohydrate has more peer-reviewed studies behind it than any other sports supplement — by a wide margin. The International Society of Sports Nutrition rates it the most effective ergogenic nutritional supplement currently available for enhancing high-intensity exercise capacity and lean body mass.

Mechanism: The Phosphocreatine System

During maximal-effort exercise (0–10 seconds), ATP is regenerated via the phosphocreatine (PCr) system. Creatine phosphate donates its phosphate group to ADP, regenerating ATP faster than either glycolysis or oxidative phosphorylation can. Oral creatine supplementation increases total intramuscular creatine stores by 20–40%, directly expanding this energy buffer.

Performance Evidence

Rawson & Volek's (2003) meta-analysis in the Journal of Strength and Conditioning Research (PMID: 14636102) analyzed 22 studies and found that creatine supplementation increased maximal strength by 8%, high-intensity exercise performance by 14%, and weightlifting performance by 26%. These are large effect sizes for a dietary supplement.

A 2017 meta-analysis in Nutrients (PMID: 28530356) specifically examining lean mass found an average of +1.37 kg of fat-free mass over 4–12 weeks of supplementation vs. placebo, across 22 randomized trials.

The 5g/Day Protocol

The original loading protocol (20g/day for 5–7 days) does saturate muscle stores faster (~7 days) vs. maintenance dosing (~28 days), but long-term outcomes are identical. The International Olympic Committee and ISSN both state that 3–5g/day without loading achieves the same saturation over time, with fewer gastrointestinal complaints.

For most users: 5g/day, every day, indefinitely. No cycling required.

Monohydrate vs. Derivatives

Creatine HCl, ethyl ester, buffered creatine (Kre-Alkalyn), and others are marketed as superior — none have demonstrated superior efficacy in head-to-head trials. A direct comparison published in JISSN (2012, PMID: 22432515) found no significant difference in strength, body composition, or PCr resynthesis rates between creatine monohydrate and HCl at equimolar doses. Monohydrate remains the evidence-backed standard.

Cognitive Benefits

Brain tissue has its own creatine pool. McMorris et al. (2007, Neuroscience, PMID: 17870229) found that 5g/day for 6 weeks improved working memory and processing speed under sleep deprivation — a finding replicated in multiple subsequent trials. The mechanism is the same: expanded phosphocreatine availability supports neuronal ATP regeneration during cognitively demanding tasks.

Safety

Creatine has been continuously studied for 30+ years. A comprehensive review (Rawson & Stec, 2011) found no adverse effects on renal function, liver enzymes, or cardiovascular markers in healthy adults at standard doses. The American College of Sports Medicine rates it safe for long-term use.

Frequently Asked Questions

Does it need to be timed around workouts?

Total daily dose matters more than timing. Post-workout timing has marginal (5–10%) additional benefit in some studies — take it consistently whenever convenient.

Will it cause water retention?

Yes — intramuscular water retention, which contributes to the lean mass increase and may cause a 1–2 lb scale increase. This is stored inside muscle cells, not subcutaneous (the "puffy" kind).

What about creatine and hair loss?

One study (van der Merwe et al., 2009) found increased DHT (dihydrotestosterone) following creatine loading in rugby players. DHT is associated with hair follicle miniaturization in genetically predisposed individuals. The finding has not been replicated, and no direct hair loss causation has been demonstrated in any subsequent study.

Do women respond as well as men?

Yes. Women tend to have lower baseline muscle creatine stores, so the relative increase from supplementation may be proportionally larger. Multiple trials confirm similar strength and lean mass benefits in female cohorts.

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.