Urolithin A is a naturally occurring metabolite produced by gut bacteria during the digestion of ellagitannins, compounds found in foods like pomegranates, berries, and walnuts. However, not everyone's gut microbiome efficiently produces it, which has driven interest in direct supplementation. Research suggests that Urolithin A supports mitochondrial health by promoting mitophagy, the process by which cells clear out damaged mitochondria and stimulate the generation of new, functional ones. Studies indicate that supplementation may help improve markers of cellular energy production, muscle endurance, and recovery, particularly in aging populations where mitochondrial function naturally declines. Early clinical trials have shown promising results regarding its safety profile and potential to support physical performance and reduce biomarkers associated with age-related cellular decline, though larger and longer-term studies are still underway.
Compare this supplementResearch suggests that Urolithin A supplementation may support muscle endurance, strength, and aerobic performance, w...
View studies →Research suggests that urolithin A (UA) holds promise as an anti-aging compound across a range of biological systems,...
View studies →Research suggests that urolithin A (UA) supports mitochondrial function primarily by promoting mitophagy, the cellula...
View studies →Research in this area is currently very limited, with only a single animal study available that examined related but ...
View studies →Research on Urolithin A and muscle recovery is still emerging, and the single study available in this collection does...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Capsule | 1,000 mg | Daily | Exercise performance and muscle recovery | Used in RCTs examining physical performance and muscle endurance in middle-aged and older adults |
| Capsule | 500 mg | Daily | Mitochondrial function and muscle health in older adults | Used in phase 1 and phase 2 clinical trials (Amazentis/Timeline); well-tolerated and effective dose in RCTs |
| Capsule | 250 mg | Daily | Safety and tolerability assessment; anti-aging general health | Lower dose tested in phase 1 safety trials; demonstrated bioavailability and safety |
| Capsule | 2,000 mg | Daily | Upper dose range explored in safety and tolerability studies | Tested in clinical safety trials; found to be tolerable with no serious adverse events |