“Creatine makes women gain body fat.”
Creatine does not make women gain body fat.
If worry about body fat is the reason you have avoided creatine, the trials in women do not support that worry. A small bump on the scale after starting creatine is not fat.
No change is needed because of body fat concerns. If you take creatine and the scale rises a little at first, judge progress by strength or measurements rather than weight alone.
Trials in women that measured body fat directly, including a two-year trial, found no fat gain from creatine. Confidence is moderate rather than strong because most trials were small and studied older women or women in training.
Creatine does not make women gain body fat. Trials in women that measured fat mass found no increase from creatine. When the scale goes up, the gain is water held in muscle or added lean tissue, not fat.
A 2026 review of seven trials in 608 postmenopausal women found that no trial reported a gain in fat mass caused by creatine. In the longest trial, which lasted two years, the creatine and placebo groups each gained about 1.1 pounds of fat, with no difference between them. The same review found a small gain in lean mass (about 0.8 pound more than placebo) and leg-press strength (about 16.5 pounds more), mainly when 5 grams a day or more was paired with strength training. A separate 2026 review of 34 studies in women who exercise found small benefits for strength and lean mass, with low certainty, and fat mass that was unchanged or not clearly different from the comparison group. A 2021 review notes that weight can rise quickly and briefly with a creatine loading dose because muscles hold more water, and that this is more common in men than in women.
Can creatine help women get stronger?
Yes, a little, mostly when paired with strength training. In postmenopausal women who lifted weights and took at least 5 grams a day, creatine added a small amount of lean mass and strength compared with placebo. Trials using 3 grams a day or less without training showed no clear effect.
- Naddafha S, Antonio J, Kreider RB, Stout JR. Creatine monohydrate for lean mass, strength, and bone density in postmenopausal women: a systematic review and meta-analysis. Journal of the International Society of Sports Nutrition. 2026;23(1):2668435. DOI: 10.1080/15502783.2026.2668435. PMID: 42141930. PMCID: PMC13182165
- Lin Y, Zhu W, Hong B. Effects of creatine supplementation on exercise performance, physiological outcomes, and body composition in females engaged in exercise or training: a systematic review and multilevel meta-analysis. Frontiers in Nutrition. 2026;13:1921827. DOI: 10.3389/fnut.2026.1921827. PMID: 42761190. PMCID: PMC13585749
- 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. PMID: 33800439. PMCID: PMC7998865