This video discusses the trend of "mega-dosing" creatine, where individuals take significantly higher doses than the standard recommendation, often for cognitive benefits like improved memory, reduced brain fog, and combating fatigue. ER doctor Richard Kelley, with a background in fitness and weight management, explores the reasons behind this trend, the existing research, potential risks, and expert opinions on the efficacy and safety of high-dose creatine supplementation, especially for individuals over 50.