09/03/2026
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Creatine is having a clinical renaissance, and it goes far beyond muscle.
Emerging research shows creatine supports some of the most fundamental processes in human physiology, including cellular energy production, mitochondrial function, brain health, and metabolic resilience.
It works by helping regenerate ATP, the core energy currency every cell depends on. This makes creatine especially relevant for high-demand tissues like muscle, brain, and heart.
New human studies suggest creatine may help support:
• Cognitive function and brain energy
• Muscle strength and healthy aging
• Glucose metabolism and cardiometabolic health
• Resilience during metabolic stress
This is why creatine is increasingly being recognized not just as a sports supplement, but as a foundational bioenergetic nutrient.
In our latest blog, we break down the mechanisms, clinical evidence, and what this means for health and aging.
Comment CREATINE BENEFITS and we’ll DM you the link, or head to https://www.drkarafitzgerald.com/2026/02/19/creatine-benefits-brain-health-aging/ for the full blog