Creatine for Women: Benefits Over 40 and in Menopause

Creatine has a reputation as a gym supplement, but much of the newer research is about something else: energy in the brain, and how women’s needs change with hormones and age. This guide covers what creatine does for women, what the research shows for women over 40 and in menopause, how much to take and when, side effects, and how to choose a creatine.

It is educational, not medical advice.

Key Takeaways

• Creatine is an energy reserve for your cells, including brain cells. About 5 percent of the body’s creatine is in the brain and other non-muscle tissues.
• Women start with lower creatine stores than men, and hormone changes across the menstrual cycle, pregnancy and menopause affect how the body handles creatine.
• Brain research in women is encouraging. In an 8-week trial in perimenopausal and menopausal women, a daily creatine supplement raised brain creatine and improved reaction time.
• Muscle and strength with training. Across 22 trials in adults aged about 57 to 70, creatine added to resistance training increased lean tissue by about 1.4 kg and improved upper and lower body strength more than training alone.
• 3 to 5 g a day is the common amount, taken at any consistent time.
• Side effects are uncommon. A review of 29 studies in women found no increase in adverse events, digestive complaints or weight gain with creatine monohydrate.

What Does Creatine Do for Women?

Creatine helps your cells recycle ATP, the molecule they use for energy. Your body makes about half of the creatine it needs in the liver and kidneys, and the rest comes from food, mainly meat and fish. Most of it is stored in skeletal muscle, and about 5 percent is in the brain and other tissues (Kreider et al., 2017).

Women tend to have lower creatine stores than men, and research suggests that hormonal changes alter how the body makes and uses creatine. That is why reviewers suggest creatine may be particularly relevant at certain life stages, including after childbirth and during and after menopause (Smith-Ryan et al., 2021). Reviews of the research also describe positive effects on mood and cognition, possibly by supporting energy levels in the brain (Smith-Ryan et al., 2021).

Creatine Benefits for Women: What the Research Shows

• Memory. In a double-blind trial of 128 young women, 20 g of creatine a day for 5 days improved memory in vegetarians, and in all women it made reaction times on a choice task more consistent (Benton and Donohoe, 2011).
• Brain energy under stress. In a lab study, a single large dose of creatine (0.35 g per kg of body weight) during a night of sleep loss changed brain energy markers and improved cognitive performance and processing speed compared with placebo (Gordji-Nejad et al., 2024). That amount is a research dose, not a daily one.
• Mood and cognition. A 2025 review of creatine across women’s life stages describes benefits for mood and cognitive function, alongside its better-known uses (Smith-Ryan et al., 2025).
• Plant-based eaters. Women who eat little meat or fish get little creatine from food; see is creatine vegan?

For a full overview of what creatine does, from strength to memory, see creatine benefits.

Creatine for Women Over 40

From the 40s onward, many women look for steady energy and a sharp mind through midlife. Creatine fits that goal because of its role in cellular energy, including in the brain. It is also one of the most studied supplements, with a long safety record in healthy adults (Kreider et al., 2017). For women over 40 and over 50, the most relevant research is the menopause work below, plus the brain studies above. Men see the same pattern with training; our guide to creatine for men covers the research in men over 40, 50 and 60. For other supplements women over 40 often ask about, see our guides to NMN for women and lion's mane for women.

Creatine and Menopause

Estrogen affects how the body makes, moves and stores creatine, so the drop in estrogen around menopause changes creatine metabolism (Smith-Ryan et al., 2021). Researchers have started testing creatine in this group directly:

• Brain creatine and reaction time. In an 8-week randomized, double-blind trial of 36 healthy perimenopausal and menopausal women (average age 50), 1,500 mg a day of creatine (as creatine hydrochloride) raised creatine in the frontal brain by about 16 percent, compared with about 1 percent on placebo, and improved reaction time. All doses were well tolerated (Korovljev et al., 2026).
• More studies are underway. A 2025 review notes that perimenopause is a key target for future creatine research (Smith-Ryan et al., 2025).

Calcium needs also rise after menopause, and vitamin D is what lets you absorb it; see vitamin D for women.

Creatine for Muscle and Strength in Women

Creatine is best known for helping muscles work harder. Supplements raise the creatine stored in muscle, which supports high-intensity exercise and leads to greater gains from training over time (Kreider et al., 2017).

• Before menopause. A review of creatine across women’s life stages concludes that creatine appears effective for improving strength and exercise performance in pre-menopausal women (Smith-Ryan et al., 2021).
• After menopause. The same review reports benefits for muscle size and function in post-menopausal women taking high doses, around 0.3 g per kg of body weight a day (Smith-Ryan et al., 2021).
• Over 50. A meta-analysis of 22 randomized trials in 721 men and women with an average age of 57 to 70 found that creatine taken during resistance training 2 to 3 days a week, for 7 to 52 weeks, increased lean tissue by about 1.4 kg and improved chest press and leg press strength more than training with a placebo (Chilibeck et al., 2017).

In these studies creatine was paired with resistance training, so 2 to 3 strength sessions a week give it the most to work with.

To see how fast muscle creatine fills and when strength changes showed up in trials, read creatine before and after. Taurine also turns up in exercise products, and our guide to taurine vs creatine explains how the two differ.

How Much Creatine Should Women Take?

• 3 to 5 g a day of creatine monohydrate is the common daily amount for adults.
• A gentle start: 3 g a day raises creatine stores gradually over about 4 weeks, with no loading phase (Kreider et al., 2017).
• Lower amounts have been studied too: the menopause trial above used 1,500 mg a day of creatine hydrochloride.
• Follow your product label and keep single servings to about 5 g for an easy stomach.

When Should Women Take Creatine?

Any time of day works; what matters is taking it every day so your stores stay full. Many women add it to a morning drink or smoothie, or take it with a meal. It does not need to be timed around your menstrual cycle.

For the full picture on weight gain, bloating, hair, kidneys and whether creatine expires, see our guide to creatine side effects.

Before or after a workout, rest days and loading are covered in our guide to when to take creatine.

Creatine Side Effects for Women

A systematic review of 29 studies with 951 women found no deaths or serious adverse events with creatine monohydrate, and no significant differences from placebo in total adverse events, digestive complaints, weight gain, or kidney and liver measures (de Guingand et al., 2020).

• Water and bloating. Creatine draws a little water into the cells that store it. Large loading amounts can add about 0.5 to 1 liter of water in the short term (Kreider et al., 2017); steady daily amounts have less effect. More in does creatine make you bloated?
• Stomach upset is more likely with large single servings, so split anything over about 5 g.
• Check with your clinician first if you have kidney problems, are pregnant or breastfeeding, or are under 18.

How to Choose the Best Creatine for Women

• Creatine monohydrate is the most studied form (Kreider et al., 2017).
• A clear amount per serving, ideally 3 to 5 g, so you know what you are getting.
• A short ingredient list, without added sugar or unnecessary fillers.
• Vegan-friendly if that matters to you: plain powder or plant cellulose capsules rather than gelatin.
• A format you will take every day, since consistency matters more than timing.

Comparing formats? See creatine powder vs pills vs gummies. Our own Creatine Monohydrate powder, 5 g per scoop, is coming soon.

For more on creatine and the brain, see creatine and cognitive health: what the science says.

Sources

• Kreider RB et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition, 2017. DOI
• Smith-Ryan AE et al. Creatine Supplementation in Women's Health: A Lifespan Perspective. Nutrients, 2021. DOI
• Benton D et al. The influence of creatine supplementation on the cognitive functioning of vegetarians and omnivores. The British Journal of Nutrition, 2011. DOI
• Gordji-Nejad A et al. Single dose creatine improves cognitive performance and induces changes in cerebral high energy phosphates during sleep deprivation. Scientific Reports, 2024. DOI
• Smith-Ryan AE et al. Creatine in women's health: bridging the gap from menstruation through pregnancy to menopause. Journal of the International Society of Sports Nutrition, 2025. DOI
• Korovljev D et al. The Effects of 8-Week Creatine Hydrochloride and Creatine Ethyl Ester Supplementation on Cognition, Clinical Outcomes, and Brain Creatine Levels in Perimenopausal and Menopausal Women (CONCRET-MENOPA): A Randomized Controlled Trial. Journal of the American Nutrition Association, 2026. DOI
• Chilibeck PD et al. Effect of creatine supplementation during resistance training on lean tissue mass and muscular strength in older adults: a meta-analysis. Open Access Journal of Sports Medicine, 2017. DOI
• de Guingand DL et al. Risk of Adverse Outcomes in Females Taking Oral Creatine Monohydrate: A Systematic Review and Meta-Analysis. Nutrients, 2020. DOI

Frequently Asked Questions

Is creatine good for women?

Research in women is growing and encouraging, especially for brain energy, memory and reaction time. Women start with lower creatine stores than men, and a review of 29 studies in women found no increase in side effects.

What does creatine do for women?

It helps cells recycle ATP for energy, including in the brain. Reviews describe positive effects on mood and cognition, and a menopause trial found higher brain creatine and better reaction time.

What are the benefits of creatine for women over 40?

Support for cellular and brain energy through midlife. In an 8-week trial in perimenopausal and menopausal women, 1,500 mg a day raised brain creatine by about 16 percent and improved reaction time.

Does creatine help with menopause?

Menopause changes how the body handles creatine, and an 8-week trial in perimenopausal and menopausal women found higher brain creatine and better reaction time with daily creatine. Talk with your clinician about any menopause symptoms.

How much creatine should a woman take per day?

3 to 5 g a day of creatine monohydrate is the common amount. Follow your product label.

When should women take creatine?

Any consistent time of day. There is no need to time it around your cycle.

Does creatine help women build muscle?

Yes, when it is combined with resistance training. In adults aged about 57 to 70, creatine plus training added about 1.4 kg more lean tissue than training alone, and a review of research in women found better strength before menopause and better muscle size and function after it at higher doses.

Will creatine make me gain weight?

A review of studies in women found no significant weight gain with creatine monohydrate. Large loading amounts can add some water in the short term.

What are creatine side effects for females?

Uncommon at normal amounts. Large single servings can upset the stomach, and loading can add some water. Check with your clinician first if you have kidney problems or are pregnant or breastfeeding.

These statements have not been evaluated by the Food and Drug Administration. This content is for education and is not medical advice. Our products are not intended to diagnose, treat, cure or prevent any disease. Talk with a healthcare provider before starting a new supplement if you are pregnant, breastfeeding or taking medication.