If you have ever stepped foot in a gym or browsed a health food store, you have likely heard of creatine.

If you have ever stepped foot in a gym or browsed a health food store, you have likely heard of creatine. For decades, it has been widely known as a go-to supplement for athletes and body builders looking to build muscle and improve strength. Because of this, many people dismiss creatine as a "gym-only" supplement. However, emerging scientific research is revealing a far more interesting story.
Creatine is not a steroid, nor is it a magic bullet just for muscles. It is naturally produced by your body. It plays a vital role in how every single cell in your body produces energy— including your brain.
To understand why creatine is so important, we have to look at how our bodies generate fuel. Your cells run on a molecule called adenosine triphosphate, or ATP. Think of ATP as the currency of your body's energy system. When you engage in intense physical activity, or when your brain is working hard to solve a complex problem, your cells rapidly burn through ATP.
Once ATP is used, it loses a molecule and becomes a waste product. This is where creatine comes in. It helps regenerate ATP, keeping your muscles, heart, and brain running smoothly during periods of high demand.
The body naturally produces a small amount of creatine in the liver and kidneys, and we get some from consuming red meat and fish. However, the body can only store a limited amount of creatine and many people have substandard levels.
While ninety-five percent of the body's creatine is stored in skeletal muscle, the remaining five percent is concentrated in high-energy organs, with the brain being the primary consumer. Your brain is an incredibly greedy organ, consuming about twenty percent of your body's total energy!
Recent studies suggest that supplementing with creatine monohydrate can significantly support cognitive function. Researchers have found that creatine supplementation can improve memory, processing speed, and mental clarity. This is particularly true during periods of sleep deprivation or intense mental fatigue—challenges that almost every parent of young children faces daily.
Additionally, scientists are exploring creatine's potential role in supporting mood and emotional resilience, since lower brain energy levels have been linked to feelings of anxiety and depression.
Interestingly, research indicates that women may experience even greater relative benefits from creatine supplementation than men. Women naturally store less creatine in their muscles and brain, and their levels can fluctuate in sync with hormonal changes.
Furthermore, older adults can benefit from creatine's ability to help maintain muscle mass, support bone density, and protect cognitive function as they age.
If you follow a vegetarian or vegan diet, you likely have lower baseline levels of creatine because you do not consume animal products. Therefore, plant-based individuals often see the most dramatic improvements in both physical energy and mental sharpness when they begin supplementing.
When choosing a supplement, stick to creatine monohydrate, which is the most widely studied, safest, and most cost-effective form.
A common approach is to take a small daily maintenance dose of three to five grams. During times of stress or fatigue, increase to10-15 grams. Some athletes use a "loading phase" of twenty grams a day for a week to quickly saturate their stores. Taking three to five grams daily will achieve the same saturation level over approximately four weeks without any digestive discomfort.
As always, it is best to consult with your healthcare provider before starting any new supplement routine, especially if you have pre-existing kidney conditions.
Dr. Garrett is the founder of Core Chiropractic in Birmingham, AL. While most health care is focused on temporary relief, the staff at Core Chiropractic focus on creating solutions to a wide spectrum of health conditions. Connect with Dr. Garrett at (205) 440-2121 or via online form.