Supplements
RCT August 19, 2026

Creatine Boosts Muscle and Brain Health in Older Adults

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The Summary

In this 12-week randomized, double-blind, placebo-controlled trial, 64 healthy, sedentary adults (aged 45 to 65) were assigned to either a non-exercise group or an exercise and diet program. Within these groups, participants received daily creatine monohydrate (10g/day) or a placebo. Researchers measured body composition, cognitive performance, and blood biomarkers. They found that creatine supplementation, with or without exercise, significantly increased lean muscle mass, muscular strength, and endurance. Additionally, creatine led to improvements in select cognitive functions, memory, and health markers like HbA1c and blood lipids.

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Why this is interesting

Creatine is widely known as a bodybuilding staple for young athletes, but this study shows its immense value for aging adults. Crucially, it improved muscle mass and strength even in individuals who did not exercise. For the everyday reader, this means creatine is not just for the gym; it is a highly accessible tool to combat age-related muscle loss and support cognitive sharpness. It suggests that incorporating creatine into your daily routine could preserve physical independence and mental clarity as you age, whether or not you are highly active.