SOURCE-LINKED STUDY SUMMARY
Effect of Urolithin A Supplementation on Muscle Endurance and Mitochondrial Health in Older Adults: A Randomized Clinical Trial.
Abstract summarized · Quality not appraised
- Studied
- A blinded, randomized trial tested urolithin A against placebo for walking ability, muscle endurance and cellular energy production.
- Who / model
- 66 adults aged 65 to 90 took part in a 4-month trial.
- Studied dose & schedule
- Dose and schedule have not yet been extracted for this summary.
- Found
- Muscle endurance measures improved, but walking distance and the primary cellular-energy measure did not improve significantly versus placebo.
- Limits
- This was a small study, predominantly in women, and all participants were White. The authors called for further confirmation.
Read summary source ↗ · Prepared 9/15/2026 · AI-assisted, source-based summary
Research findings apply to the population and conditions studied. This educational summary is not a treatment recommendation or a formal assessment of study quality.
Original publication ↗ · DOI: 10.1001/jamanetworkopen.2021.44279