Evidence-Based Benefits
- Strength increase — Rawson & Volek (2003, meta-analysis of 22 studies) found creatine supplementation increased strength by 8% and power by 14% vs placebo
- Lean mass — Branch (2003, meta-analysis) showed creatine supplementation increased lean body mass by 0.36-1.85 kg more than placebo during resistance training
- ISSN position — the International Society of Sports Nutrition (2017) position stand calls creatine monohydrate "the most effective ergogenic nutritional supplement currently available for increasing high-intensity exercise capacity and lean body mass"
- Cognitive benefits — Avgerinos et al. (2018, meta-analysis, 6 RCTs) found creatine improved short-term memory and reasoning, especially under stress or sleep deprivation
- Safety — over 1,000 studies have confirmed creatine monohydrate is safe for healthy adults with no evidence of kidney damage, hair loss, or other commonly feared side effects