Creatine has long lived in the world of gym bros and protein shakers—but lately, it’s been having a moment in women’s wellness. And not just as a fitness supplement, but as a daily tool for energy, strength, and even cognitive support.
So, what changed? To get the full story, we turned to Dr. Abbie Smith-Ryan—a leading women’s health researcher who’s been studying how exercise and nutrition can help women feel stronger, sharper, and more resilient at every stage of life. As a professor at UNC Chapel Hill and co-director of the Applied Physiology Lab, her work goes far beyond the lab with the goal of helping women prioritize strength, longevity, and feeling good in their bodies.
What is driving the shift for creatine to become a broader wellness supplement, especially for women?
For years, creatine has been used by athletes and bodybuilders due to its synergistic effects on exercise performance and muscle. Enhancing strength and muscle is beneficial well beyond the gym; additionally, over the past 15 years, research continues to demonstrate broader direct and indirect benefits of creatine, including improvements in energy, recovery, cognition, and maintaining bone. As more people, but especially women, focus on proactive wellness, creatine has many potential benefits with low risk, making it an easy and affordable foundational supplement to improve overall physical and cognitive health.
Why is creatine becoming particularly relevant for women’s health right now?
Women's health is shifting from a ‘shrink’ to ‘perform’ lens, targeting strength, resilience, and longevity. Creatine fits that pivot. On average, women start with smaller creatine pools (less total muscle mass, lower habitual intake), so adding 3-5 grams per day often makes a noticeable difference within a few weeks.
There is also early data that creatine stores are related to better female health and reproductive outcomes. This is especially relevant during high-demand life phases—postpartum, perimenopause, heavy training blocks, or simply juggling a full life. When preserving or building muscle, steady energy, and clear focus are non-negotiable, creatine is a highly studied tool to support these outcomes.
For readers who may still think of creatine purely as a sports supplement, can you explain what it actually does in the body?
Your muscles and brain store creatine as phosphocreatine, which is essential for rapidly generating ATP (adenosine triphosphate), which is your body’s primary energy source for movement. Supplementing with creatine increases your body’s stores of phosphocreatine, allowing a faster replenishment of energy (i.e., ATP), resulting in better high-intensity exercise performance, maintaining lean mass, and steadier cognition under stress or fatigue.
How does creatine support cognitive function and daily energy?
Creatine supports cognition by topping up the brain’s phosphocreatine (energy reserve), which helps neurons rapidly recycle ATP, which is the fuel for clear thinking and steady mental energy. Human imaging studies show supplementation can increase brain creatine/PCr and shift brain energetics. Under stressors like sleep loss, mental fatigue, or high cognitive load, trials and meta‑analyses report small‑to‑moderate benefits for complex thinking, memory, and processing speed. Early clinical work also suggests creatine can raise brain creatine and may ease cognitive symptoms in conditions like depression and Alzheimer’s disease, though larger, controlled trials are still in progress. Given women’s unique high‑demand life phases: perimenopause, postpartum, caregiving, heavy training, maintaining this cellular energy can impact overall mental performance.
Are the benefits or dosing considerations different for women compared to men?
The benefits of creatine are fundamentally the same for women and men, but women often eat less animal protein and often have smaller muscles, which can make the effects more noticeable. The standard dose (3-5 grams daily) is effective for most women, but those focused on brain support might consider slightly higher doses. The key is consistency; results come from regular, sustained use.
