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Is Creatine a Good Marker of Muscle Mass?
Creatinine levels may increase when taking creatine, which led to misconceptions about kidney function. However, for elite athletes, creatinine is a better indicator of muscle mass. Instead, cystatin C can be used as it is unaffected by muscle mass or creatine intake. The speaker shares a personal experience of being hospitalized due to high creatinine levels caused by muscle mass and creatine intake. Creatine also has cognitive benefits and can protect the brain against concussion and reduce depression symptoms. The speaker advises on the importance of a nutrient-rich diet and shifts the focus to exercise.