Seventy-three adults began the study, and 64 healthy adults aged 45–65 completed the 12-week intervention.
Creatine for older adults may help solve a common problem: losing fat without giving up lean mass.
In a study published in the Journal of the International Society of Sports Nutrition, Chun and colleagues (2026) tested whether 10 grams per day of creatine monohydrate could improve body composition, strength, cognitive function, and health markers in healthy adults aged 45–65 years.
Key Takeaways: Creatine for Older Adults Study
- Participants took 10 g/day of creatine monohydrate, split into two 5 g servings, for 12 weeks.
- The exercise-plus-creatine group gained 1.69 kg / 3.7 lb of lean tissue at 6 weeks and 1.27 kg / 2.8 lb at 12 weeks.
- Exercise plus creatine reduced body fat percentage by −2.04% at 6 weeks and −3.24% at 12 weeks, more than exercise plus placebo.
- Individual cognitive and biomarker findings were labeled exploratory by the authors, not definitive proof.
In this article, we explore the benefits and considerations of creatine for older adults. If you’re curious about how creatine for older adults might support healthy aging, read on. Our discussion provides helpful insights into creatine for older adults.
Creatine for older adults may be especially useful when the goal is to lose fat without giving up lean mass. In a study published in the Journal of the International Society of Sports Nutrition, Chun and colleagues (2026) examined whether 10 grams per day of creatine monohydrate could improve body composition, strength, cognitive function, and health markers in healthy adults aged 45–65 years.
Why Creatine for Older Adults Matters
As you age, fat gain and muscle loss can start to move in opposite directions. Dieting may help reduce fat, but it can also reduce lean tissue. That matters because lean mass supports strength, daily function, and long-term health.
So, this trial asked a useful question: can creatine help middle aged and older adults improve body composition, especially during a weight-loss plan?
The answer was mostly yes for lean mass and strength. However, the memory and health-marker results need a more careful read.
How the Creatine for Older Adults Study Worked
The researchers used a randomized, double-blind, placebo-controlled design within exercise and non-exercise groups.
A total of 73 adults began the trial, and 64 completed the 12-week study. The final group included 40 women and 24 men, with an average age of 54.5 ± 6.2 years and average body mass of 84.5 ± 21.3 kg / 186.3 ± 47.0 lb.
First, participants chose whether they wanted to join the exercise program or stay in the no-exercise group. Then, within those groups, researchers assigned them to creatine or placebo.
The final groups were:
- No exercise + placebo
- No exercise + creatine
- Exercise + placebo
- Exercise + creatine
The exercise groups trained 3 days per week for 12 weeks. They lifted weights, did about 20 minutes of aerobic work at 60–80% heart rate reserve, aimed for 10,000 steps/day on non-training days, and followed a 300–500 kcal/day calorie deficit.
Creatine for Older Adults and Lean Mass
Creatine helped participants gain lean tissue in both creatine groups. In the exercise-plus-creatine group, lean tissue mass rose 1.69 kg / 3.7 lb at 6 weeks and 1.27 kg / 2.8 lb at 12 weeks, versus −0.11 kg / −0.2 lb and 0.14 kg / 0.3 lb in the exercise-plus-placebo group. Without structured exercise, creatine still added 0.99 kg / 2.2 lb at 6 weeks and 1.1 kg / 2.4 lb at 12 weeks.
Body fat percentage dropped more with exercise plus creatine (−2.04% at 6 weeks, −3.24% at 12 weeks) than exercise plus placebo (−0.73%, −1.87%). This doesn’t mean creatine burns fat directly — the more likely explanation is that it helped preserve or build lean tissue while participants lost fat, improving overall body composition.
Strength, Cognition, and Health Markers
Exercise plus creatine produced significant group-by-time effects for leg press and bench press 1RM, and the no-exercise creatine group also showed some strength benefits over no-exercise placebo, including bench press 1RM.
Cognitive results were mixed. Creatine was associated with improvements in selected measures of word recall, word recognition, reaction time, MMSE scores, and memory questionnaire responses, but showed no clear benefit on Stroop, Corsi block, digit vigilance, or light reaction tests. The authors described these individual cognitive findings as exploratory rather than confirmatory.
Creatine was well-tolerated: side effects were infrequent, minimal to slight, similar across groups, and no one withdrew due to supplement issues. Serum creatinine rose slightly as expected — less than 0.1 mg/dL without exercise and less than 0.16 mg/dL with exercise — staying within normal clinical ranges. Creatinine-based eGFR decreased, but the authors cautioned this measure is skewed by creatine intake and muscle mass; cystatin C and directly measured GFR weren’t assessed.
Limitations
Exercise participation was self-selected rather than randomized, so people who chose training may have differed from those who didn’t. The sample was healthy adults aged 45–65, so results shouldn’t be extended to frail older adults, people with chronic disease, or athletes. The cognitive and biomarker outcomes were exploratory and analyzed without an across-outcome adjustment, so they need confirmation in future trials.
Practical Applications
- If you are a healthy middle-aged or older adult, this study supports a simple plan.
- Lift weights consistently. The best results came when creatine was paired with structured training and a modest calorie deficit.
- Use creatine monohydrate daily. This trial used 10 g/day, split into two 5 g doses.
- Avoid crash dieting. The weight-loss plan used a 300–500 kcal/day deficit, not an extreme cut.
- Treat memory benefits as possible, not guaranteed. The findings look interesting, but they are not settled.
Bottom line: creatine for older adults looks useful for lean mass and strength, especially when you combine it with resistance training. If you are dieting, it may help you improve body composition without giving up as much lean tissue.
FAQ
Does creatine help older adults build muscle?
Yes, in this trial. The exercise-plus-creatine group gained 1.27 kg / 2.8 lb of lean tissue by week 12, versus 0.14 kg / 0.3 lb with exercise plus placebo (Chun et al., 2026).
Can creatine help during weight loss?
It may support body composition during weight loss. Exercise plus creatine reduced body fat percentage more than exercise plus placebo, likely by helping preserve lean tissue while fat mass dropped (Chun et al., 2026).
How much creatine did the study use?
10 g/day, split into two 5 g doses, for 12 weeks — higher than typical maintenance doses, partly because higher intakes may be needed to influence cognitive outcomes (Chun et al., 2026).
Did creatine improve cognition?
It was linked to improvements on some tests (word recall, word recognition, reaction time, MMSE, memory questionnaires) but not others (Stroop, Corsi block, digit vigilance). The authors called these findings exploratory (Chun et al., 2026).
Is creatine safe for older adults?
In this 12-week trial, yes — side effects were infrequent and minimal, and creatinine stayed within normal ranges despite a small expected increase (Chun et al., 2026).
Medical Disclaimer
This article is for informational purposes only and is not a substitute for professional medical advice. Consult a qualified healthcare provider before changing your diet, supplementation, or training program.
References
Chun, J., Liu, Y., Kibler, G. L., Lee, H., Babakhani, K., Rhoades, N., Bivins, I., Ko, J., Dickerson, B., Gonzalez, D. E., Sowinski, R. J., Rasmussen, C. J., & Kreider, R. B. (2026). Effects of creatine supplementation with and without exercise and diet intervention on body composition, cognitive function, and markers of health in middle-aged and older adults. Journal of the International Society of Sports Nutrition, 23(sup1), 2716273. https://doi.org/10.1080/15502783.2026.2716273
About the Author
Robbie Durand
Robbie Durand is an exercise physiologist and science writer specializing in evidence-based fitness and nutrition research. With over 15 years of experience translating peer-reviewed studies into actionable advice, Robbie helps readers make informed decisions about training, supplementation, and body composition.
