By Ilya Rabkin, MD, MBA ·
The detail that stayed with me in the recent CONCRET-MENOPA trial was how few women had their brain-creatine levels measured: four in each group. That’s a very small foundation for a claim about what a supplement can do for the menopausal brain.
Creatine has a long history in exercise science. What interests me now is the research focused on women during the menopause transition. Brain fog can make familiar work feel unusually difficult, and even a small improvement would matter to someone struggling to concentrate.
But I’d want more than a menopause label before paying extra for the powder.
I’ve previously written a general guide to creatine. Here, I want to focus on the decisions a woman in midlife faces: whether to try it for strength or concentration, how it fits with hormone therapy, and what would make it worth continuing.
Your body makes creatine, and foods such as meat and fish provide some too. It helps cells replenish ATP, a molecule that supplies energy for their work. In muscle, that helps during repeated, brief efforts such as lifting weights. The brain uses this energy system as well. Researchers are studying how hormonal and metabolic changes across a woman’s life might affect her response to supplementation; symptom relief remains a question for clinical trials. 1, 2
The value of strength becomes easier to appreciate when you think beyond a gym workout: carrying luggage, getting up from the floor, moving furniture, or keeping up on a hike.
A 2026 systematic review brought together seven randomized trials involving 608 postmenopausal women. It found modest benefits for lean mass and some measures of strength, with the more favorable findings occurring alongside resistance training. Results varied across studies with different doses, durations, and exercise programs. Participants averaged about 62 years old. A woman entering perimenopause in her 40s may respond differently. 3
The review’s authors disclosed links to creatine-related businesses, and Alzchem supported part of the publication fee. That context matters when weighing their interpretation of the results. 3
Individual trials haven’t all shown an extra strength benefit. In a two-year study of 237 postmenopausal women, adding creatine to an exercise program didn’t improve the measured strength outcomes beyond placebo. Lean-tissue gains favored creatine in the participants who completed the study as required. That narrower analysis carries less weight than a benefit across everyone randomized. 4
And lean mass includes water. Creatine can increase water within muscle cells, which contributes to what a body-composition scan measures. I’d pay attention to strength and function as well as the scan. 5
For someone already training consistently, creatine could add a little to the gains from exercise. The exercise program and eating enough come first; choosing a brand can wait. If getting enough protein is a challenge, the practical protein guide covers the food side.
Without resistance training, the case for taking creatine to build or maintain muscle is weaker. The postmenopausal studies support pairing it with an exercise program. 3
If your interest is entirely in concentration or fatigue, there’s more uncertainty about the benefit. I wouldn’t start taking it because an online checklist says every woman over 40 should.
Brain fog can mean forgetting a word, losing your train of thought, or finding it harder to concentrate. These complaints are common around menopause. Sleep difficulties and mood changes can contribute. When concentration changes noticeably, I’d also review medications and consider other possible causes. 6
A few studies now address women in the menopause transition directly. The CONCRET-MENOPA trial enrolled 36 perimenopausal and menopausal women for eight weeks, divided among four groups, about nine women per group. It tested creatine hydrochloride, alone or combined with creatine ethyl ester, and reported favorable findings on selected cognitive tests and brain-creatine measurements. 7
The abstract emphasized the 1.5-gram hydrochloride group. That’s considerably less powder than the 5-gram monohydrate dose often used for muscle support, but the formulations differ, so the amounts aren’t directly interchangeable. Brain-creatine measurements came from just 16 participants, the four per group mentioned earlier. I’d want to know whether the test changes translate into fewer lapses during a meeting or an easier time following a complicated conversation. 7
Vireo Systems partly funded the trial and supplied the study products at no cost. I can take an industry-supported result seriously and still want larger studies from independent teams before recommending a particular formulation. 7
Another 2026 study measured brain creatine in 12 perimenopausal women. Lower levels in some brain regions were associated with greater concentration difficulties. Nobody received a supplement, and the study compared the women with reference values from younger adults rather than a matched group studied alongside them. This is a clue for future research. The cause of the symptoms and the effect of taking creatine remain open questions. 8
The broader cognition literature is mixed. Some reviews have reported benefits on certain tasks, but a widely cited meta-analysis has drawn criticism for statistical methods that may make its results appear more certain than they are. EFSA’s 2024 assessment also found that a general cognitive benefit hadn’t been established, although that review predates some newer research. 9, 10, 11
I’m open to discussing a personal trial, provided we agree on what improvement would look like. I’d be reluctant to sell creatine as an answer to brain fog.
A 2026 randomized crossover trial studied 29 healthy adults during 21 hours of sleep deprivation. It was a lower-dose follow-up to the same team’s earlier experiment, rather than an independent replication. A single dose of creatine reduced deterioration on some cognitive tasks compared with placebo. Participants were aged 20–40, and the dose was 0.2 grams per kilogram of body weight: 14 grams for a 70-kilogram person. 12
Sleep disruption during menopause makes this finding interesting. The participants were young adults staying awake in a lab, though. We still need studies of women taking a standard dose for months before using this finding to guide menopause care. I wouldn’t keep increasing the dose if concentration stayed the same.
Hormone therapy has established uses for bothersome hot flashes and other menopause symptoms, with benefits and risks that depend on the individual. Creatine’s better-supported role is in exercise and muscle performance. Decisions about hormone therapy need their own discussion. 13
We don’t yet have a clear answer about whether women using hormone therapy respond differently to creatine or gain an additional cognitive benefit from the combination. One ongoing study, MENOCOG at Western Sydney University, is investigating creatine in postmenopausal women with memory and thinking complaints, but its current eligibility criteria exclude women using menopause hormone therapy. The combination will need to be studied separately. 14
If you’re already receiving menopause care and still struggling with concentration, I’d revisit the symptoms, sleep, medications, and treatment goals before simply adding another supplement. Trying creatine could be part of that discussion.
Bone health needs its own attention too. The two-year trial described earlier found no improvement in bone mineral density, although some measurements of hip-bone geometry improved. Fracture prevention is a separate outcome, and osteoporosis calls for treatments with evidence for that goal. 4
“For women” tells me who a product is being sold to. To judge it, I’d turn the container around and look at the form of creatine, amount per serving, other ingredients, and quality testing.
Plain creatine monohydrate has the largest overall evidence base. Other forms haven’t established superior muscle-performance benefits. The small hydrochloride trial in women included no monohydrate comparison. A claim that one is better for brain fog would need that head-to-head evidence. 1, 7
For muscle support, I’d favor a simple monohydrate product with a clearly stated dose and independent quality testing. Independent testing helps check the contents; it offers no assurance that the promised benefits will follow. 15
For a healthy woman considering creatine alongside strength training, 5 grams of creatine monohydrate daily is a dose I’d discuss. The postmenopausal review found its more favorable results with at least 5 grams daily plus resistance training; lower-dose trials without training showed no measurable benefit. Dose and exercise varied together, though, so the review leaves the minimum effective dose unresolved. 3
You can start without a loading phase; loading simply fills muscle stores faster. This dosing advice comes from muscle research. The dose for menopausal brain fog remains unsettled. 5
Before starting, decide what you’re hoping to improve. “More energy” is hard to judge. Choose something you can revisit, such as finishing a familiar workout more comfortably or concentrating through a task that’s been giving you trouble.
If you’re tracking strength, write down the weights and repetitions you’re using. For concentration, a brief note about specific difficulties and how often they occur may be more useful than trying to rate your brain every day. Allow for normal variation: a good week could also reflect better sleep, less stress, or a change in treatment.
Try to avoid starting several supplements at once. Set a time to reassess with your clinician. If you aren’t noticing a worthwhile benefit, there’s no obligation to keep buying it. If brain fog persists or worsens, keep looking for an explanation.
Creatine can increase scale weight through water retention, especially early on. The increase reflects water rather than new body fat, but it can still be unwelcome if you’ve been working hard to manage your weight. Stomach upset can also occur, particularly with larger servings. 1, 5
Kidney research is generally reassuring for healthy adults using standard doses. A 2025 systematic review found a modest increase in serum creatinine, a blood marker used to assess kidney function, without a significant reduction in filtration in the pooled studies that measured it. Longer-term data were limited. Tell your clinician you’re taking creatine so results can be interpreted in context; an abnormal test shouldn’t automatically be dismissed as a supplement effect. 16
If you have kidney disease, are pregnant or breastfeeding, or have a complex medical history, discuss supplementation with your clinician. Those situations need individual consideration; pregnancy research in particular has relied heavily on preclinical work. 2
For a healthy woman who’s strength training, creatine is an option I’d put on the table. The extra benefit may be small, and some women may notice very little.
For brain fog, I’d want a longer conversation about what’s changed, how she’s sleeping, and what she’s already tried. The early studies make me curious, especially now that researchers are studying women directly. I’d like better answers about formulation, dose, and lasting benefit before making this routine advice.
I wouldn’t make creatine another obligation of midlife. Try it if the potential benefit fits your goals, and give yourself permission to stop if it adds very little. There are already enough things being sold as essential.
Medical disclaimer: This article is for general education and isn’t a substitute for individualized medical advice, diagnosis, or treatment. Discuss persistent symptoms and supplement use with your healthcare professional.
AI tools assisted with research, drafting, and editing.
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