According to Gram Research analysis, a 2026 systematic review of 19 animal studies found that creatine improved learning and memory in most experiments, with effects strongest when delivered directly to the brain rather than taken by mouth. The cognitive improvements appeared linked to enhanced brain cell energy production, better communication between brain cells, and reduced inflammation and cellular damage. However, these findings are from animal studies, and human research is needed to confirm whether creatine provides similar brain benefits in people.
A comprehensive review of 19 animal studies shows that creatine, a popular supplement known for building muscle, may also improve learning and memory in the brain. Researchers found that creatine worked best when delivered directly to the brain and appeared to protect brain cells from damage and inflammation. The findings suggest creatine could potentially help people with brain diseases or age-related memory loss, but scientists say more human studies are needed before we can be sure it works the same way in people as it does in laboratory animals.
Key Statistics
A 2026 systematic review of 19 rodent studies found that creatine improved learning and memory in the majority of experiments, with intranasal delivery showing superior cognitive effects compared to oral supplementation.
According to research reviewed by Gram, creatine’s cognitive benefits in animal models were associated with enhanced mitochondrial function and upregulation of synaptic plasticity proteins including BDNF, CaMKII, and PSD-95.
The systematic review identified that creatine reduced neuroinflammation through NF-κB suppression and decreased oxidative stress through CK-BB restoration in rodent brain studies across 19 experiments.
A 2026 analysis of 19 animal studies found that creatine’s cognitive-enhancing effects were moderated by route of administration, treatment duration, and sex, suggesting these factors are critical for translating findings to human applications.
The Quick Take
- What they studied: Whether creatine supplements can improve thinking, learning, and memory in animal brains, and how it might work at the cellular level.
- Who participated: Nineteen scientific studies using rodents (mice and rats) published between 2015 and 2026. Some animals were healthy, while others had brain diseases, stress, or metabolic problems.
- Key finding: Creatine improved learning and memory in most studies. The benefits were strongest when creatine was delivered directly into the brain through the nose rather than taken by mouth, and the effects varied between male and female animals.
- What it means for you: While these animal results are promising for potential brain health applications, we can’t yet say creatine will improve human memory or thinking. More research in people is needed, and any use should be discussed with a healthcare provider.
The Research Details
Scientists conducted a systematic review, which means they carefully searched scientific databases for all published studies on creatine and brain function in rodents from 2015 to 2026. They found 19 studies that met their criteria and analyzed the results together. This approach is like gathering all the puzzle pieces to see the bigger picture. The researchers looked at studies using different methods to give creatine (by mouth, injected, or inhaled through the nose) and measured how it affected learning, memory, and brain cell health. They also checked the quality of each study to make sure the results were reliable.
A systematic review is valuable because it combines information from many studies, which gives us a clearer answer than looking at just one study alone. By reviewing all the available evidence together, researchers can identify patterns—like which delivery methods work best—that might not be obvious from individual studies. This type of analysis helps scientists understand whether findings are consistent across different experiments and conditions, making it easier to plan the next steps for human research.
The researchers used a recognized tool called SYRCLE to check for bias in each animal study, which means they looked for problems that could make results unreliable. The fact that most studies showed similar results (creatine improving memory) suggests the findings are fairly consistent. However, this review only included animal studies, not human studies, so we can’t be certain the same effects occur in people. The variety of study designs and animal models used is both a strength (showing broad effects) and a limitation (making it harder to compare directly).
What the Results Show
Creatine improved learning and memory in the majority of the 19 studies reviewed. The benefits weren’t the same in all studies—some showed bigger improvements than others. The researchers discovered that how creatine was delivered to the brain made a big difference. When creatine was given directly into the brain through the nose (intranasal delivery), it showed better results and got into the brain more effectively than when animals took it by mouth. The length of treatment also mattered: longer treatment periods generally produced better cognitive improvements. Interestingly, male and female animals sometimes responded differently to creatine, suggesting that sex is an important factor to consider.
Beyond just improving memory, the studies showed that creatine appeared to protect brain cells in several ways. It boosted the brain’s energy-producing structures (mitochondria), helped brain cells communicate better with each other through special proteins, reduced harmful inflammation in the brain, and decreased oxidative stress (a type of cellular damage). These protective effects were found in animals with various brain problems, including neurodegenerative diseases, metabolic stress, and early-life stress. The consistency of these protective mechanisms across different animal models suggests creatine works through multiple pathways to support brain health.
This review builds on earlier research showing that creatine supports muscle energy and athletic performance. The new finding is that creatine appears to have separate benefits for the brain beyond just providing energy. Previous studies hinted at cognitive benefits, but this systematic review confirms that the effect is fairly consistent across many different experiments. The research also clarifies that the brain-protective mechanisms involve more than just energy production—they include reducing inflammation and oxidative damage, which are known contributors to brain aging and disease.
The biggest limitation is that all 19 studies used animals, not humans. Animal brains work differently from human brains in important ways, so we can’t assume these results will automatically apply to people. The studies varied in their methods, making some comparisons difficult. Most studies were relatively short-term, so we don’t know if benefits continue over months or years. The review didn’t include studies that showed no effect or negative effects, which could create a bias toward positive results. Finally, the optimal dose, timing, and delivery method for humans remain unknown based on this animal research alone.
The Bottom Line
Based on current evidence, creatine supplementation shows promise for brain health in animal models, but human clinical trials are needed before making recommendations for cognitive enhancement. If you’re interested in creatine for brain health, discuss it with your doctor first. Standard creatine monohydrate supplements are generally considered safe for muscle building, but using them specifically for brain benefits is not yet established in humans. The research suggests that future human studies should test brain-targeted delivery methods and consider sex differences in responses.
Researchers studying neurodegenerative diseases, cognitive decline, and brain injury should pay attention to these findings as they plan human studies. People interested in brain health and cognitive enhancement may find this interesting, but should not assume animal results apply to them yet. Healthcare providers treating patients with memory problems or brain diseases might consider this emerging research when discussing treatment options. People already taking creatine for muscle building don’t need to change their habits based on this review, but shouldn’t expect proven cognitive benefits yet.
In the animal studies reviewed, cognitive improvements appeared within weeks to months of treatment. However, translating this to humans could take years. Researchers will need to conduct human clinical trials (likely 6-12 months minimum) to determine if similar benefits occur, at what doses, and in which populations. Even if human studies confirm benefits, it could take several more years before creatine is recommended specifically for brain health.
Frequently Asked Questions
Does creatine actually improve memory and thinking in humans?
Animal studies show creatine improves memory and learning, but human research is limited. A 2026 review of 19 rodent studies found consistent cognitive benefits, but scientists say we need human clinical trials to confirm these effects work the same way in people.
What is the best way to take creatine for brain health?
Animal research suggests intranasal delivery (through the nose) gets creatine into the brain more effectively than taking it by mouth. However, this method hasn’t been tested in humans yet. Standard oral creatine monohydrate is safe for muscle building, but brain-specific dosing for humans remains unknown.
How long does it take for creatine to improve brain function?
In animal studies, cognitive improvements appeared within weeks to months of treatment. Human timelines are unknown. Even if human studies confirm benefits, it could take 6-12 months to see measurable changes in memory or thinking.
Can women and men expect the same brain benefits from creatine?
Animal studies showed that male and female rodents sometimes responded differently to creatine supplementation. A 2026 systematic review identified sex as a moderating factor, meaning future human research needs to test whether men and women experience similar cognitive benefits.
Is creatine safe to take for brain health?
Creatine monohydrate is generally considered safe for muscle building at standard doses. However, using it specifically for brain health hasn’t been tested in humans yet. Always discuss supplementation with your healthcare provider before starting, especially if you have kidney problems or take medications.
Want to Apply This Research?
- If users are taking creatine, they could track weekly cognitive performance using simple tests built into the app—like timed memory games or reaction time challenges—to monitor any changes over 8-12 weeks. This creates a personal baseline and shows trends over time.
- Users could set a daily reminder to take creatine at the same time each day and log it in the app, while also tracking sleep quality and exercise (which affect brain function). The app could suggest pairing creatine use with activities that support brain health, like learning new skills or physical exercise.
- Implement a monthly cognitive assessment feature where users complete the same brain games or memory tests to track performance trends. The app could also correlate creatine supplementation with other tracked factors like sleep, stress, and exercise to help users identify patterns in their own cognitive performance.
This article summarizes animal research on creatine and brain function. These findings have not been proven in humans. Creatine supplementation for cognitive enhancement is not yet established as safe or effective in people. Do not use creatine as a treatment for memory problems, cognitive decline, or neurological conditions without consulting your healthcare provider. If you have kidney disease, diabetes, or take medications, discuss creatine use with your doctor before starting. This information is for educational purposes only and should not replace professional medical advice.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.