After 40, keeping muscle takes more intention. Hormones shift, strength can slip, and bone becomes something you think about. Creatine has become one of the most-talked-about supplements for women in this stage of life. Here's what the research supports, what it doesn't, and what's still unknown.
Written by Vita Globe Editorial Team | Reviewed against peer-reviewed research and NIH guidance
Should women over 40 take creatine?
Creatine is worth a look if you're strength training. In postmenopausal women, research on creatine alongside resistance training has shown benefits for lean mass and physical function[1]. In a 2-year trial, women taking creatine while doing a strength-and-walking program gained more lean tissue and walked faster than the placebo group[2]. What it hasn't done is increase bone mineral density — two long-term trials found no effect on it[2][3].
Caveat: There's almost no research on creatine specifically during perimenopause yet. And creatine works alongside strength training, not instead of it.
Sources: JISSN 2025 Women's Health Review · Med Sci Sports Exerc 2023 · J Gerontol 2020 · Verified 2026-09-25
IN THIS ARTICLE
Why muscle matters more after 40
Muscle mass and strength naturally decline with age, and the drop in estrogen around menopause is linked to faster loss of both muscle and bone[1]. Keeping muscle isn't only about how you look. It's what makes it easy to carry groceries, get up off the floor, stay steady on your feet and stay active for years to come.
The most effective tool here is still resistance training. The question with creatine is whether it helps you get more out of that training.
Creatine, muscle and strength
Creatine helps your muscles regenerate energy during short, hard efforts, which can mean a little more out of each set[4]. Reviews of the research in women suggest that pairing creatine with resistance training can support lean mass and strength, including in older women[5][1].*
The largest long-term study so far followed 237 postmenopausal women for two years. Everyone did resistance training and walking; half took creatine and half took a placebo. The creatine group gained more lean tissue and improved their walking speed compared with placebo, though their strength gains weren't greater[2].
What about bone?
This is where it's important to be honest, because bone health claims for creatine often go further than the evidence.
- In the same 2-year trial, creatine did not increase bone mineral density at the hip or spine. It did help maintain some measures of the thigh bone's structure that relate to bone strength[2].
- A separate 2-year trial in 200 postmenopausal women with low bone density (osteopenia) found that 3g of creatine a day, without a set exercise program, did not improve bone health[3].
Bottom line: creatine isn't a bone-density treatment. If you're concerned about osteoporosis, talk to your doctor about screening, calcium, vitamin D and weight-bearing exercise.
Perimenopause, mood and the brain
Your brain uses creatine too, and researchers are interested in whether it could help with mood, memory and energy during midlife. A 2025 review of creatine in women's health points to this as a promising area, but notes there is currently no research directly testing creatine in perimenopausal women[1]. So for now, treat mood and brain-fog claims as unproven.
For more on the brain research, see Creatine and Brain Function: What the Research Actually Shows.
The honest summary
- Creatine plus strength training can support lean mass and physical function in women after menopause[2][1].*
- It hasn't been shown to increase bone density[2][3].
- Research on perimenopause specifically is still missing[1].
How to start
- Dose: about 3–5g of creatine monohydrate a day. A loading phase is optional[6].
- Pair it with lifting: two or three strength sessions a week is where the research shows results.
- Take it daily, including rest days, and drink water through the day.
- Check with your doctor first if you have kidney issues, take medication or have any medical condition.
Our option
Vita Globe Sugar-Free Creatine Gummies – Watermelon
5g of creatine monohydrate per 4-gummy serving, with no powder to mix and no added sugar. Vegan, gluten-free and non-GMO. Keep them next to your gym bag or water bottle so they become part of your strength routine.*
Frequently asked questions
Is creatine safe for women over 40?
For healthy adults, creatine monohydrate at normal doses has a strong safety record[6]. Talk to your doctor first if you have kidney disease, take medication or have a medical condition.
Will creatine help with menopause symptoms?
There's no strong evidence that creatine eases menopause symptoms like hot flashes. Research is focused on muscle, strength and physical function, where it can help when combined with training[1].
Does creatine increase bone density?
Two 2-year trials in postmenopausal women found it didn't increase bone mineral density[2][3]. One found it helped maintain some measures of bone structure when combined with exercise[2].
Do I need to lift weights for creatine to work?
The benefits in the research come from creatine combined with resistance training. Taking creatine without training isn't likely to build muscle on its own.
Are creatine gummies good for women?
Creatine works the same way in women as in men, and the dose is the same — about 3–5g a day[6]. Gummies are simply an easier way to take it if you don't like powder. Pick creatine gummies that list creatine monohydrate in grams per serving.
Will creatine make me gain weight?
Some people see a small early increase on the scale from water drawn into muscle, not fat[6]. Skipping the loading phase keeps it smaller.
Sources
- Smith-Ryan AE, DelBiondo GM, Brown AF, Kleiner SM, Tran NT, Ellery SJ. Creatine in women's health: bridging the gap from menstruation through pregnancy to menopause. J Int Soc Sports Nutr. 2025;22(1). doi:10.1080/15502783.2025.2502094
- Chilibeck PD, Candow DG, Gordon JJ, et al. A 2-yr Randomized Controlled Trial on Creatine Supplementation during Exercise for Postmenopausal Bone Health. Med Sci Sports Exerc. 2023;55(10):1750–1760. doi:10.1249/MSS.0000000000003202
- Sales LP, Pinto AJ, Rodrigues SF, et al. Creatine Supplementation (3 g/d) and Bone Health in Older Women: A 2-Year, Randomized, Placebo-Controlled Trial. J Gerontol A Biol Sci Med Sci. 2020;75(5):931–938. doi:10.1093/gerona/glz162
- National Institutes of Health, Office of Dietary Supplements. Dietary Supplements for Exercise and Athletic Performance — Fact Sheet for Health Professionals. NIH Office of Dietary Supplements. ods.od.nih.gov/factsheets/ExerciseAndAthleticPerformance-HealthProfessional
- Smith-Ryan AE, Cabre HE, Eckerson JM, Candow DG. Creatine Supplementation in Women's Health: A Lifespan Perspective. Nutrients. 2021;13(3):877. doi:10.3390/nu13030877
- Kreider RB, Kalman DS, Antonio J, et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. J Int Soc Sports Nutr. 2017;14:18. doi:10.1186/s12970-017-0173-z
About the Vita Globe Editorial Team
The Vita Globe Editorial Team researches and writes our wellness content, working from peer-reviewed research, systematic reviews and guidance from bodies such as the NIH and the FDA. We cite our sources inline and update articles when the evidence changes.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for informational purposes only and is not a substitute for medical advice. Talk to your healthcare provider before starting any new supplement, particularly if you are pregnant, nursing, under 18, taking medication, or have a kidney or other medical condition.
