Urolithin A vs MitoQ
Written by Aaron CuhaReviewed Sep 2026
The short answer
Two supplements for the cell's power plants with different jobs. One clears out damaged power plants, and the other cuts damage inside them. MitoQ failed mouse lifespan testing and improved blood vessel function in a trial of 20 healthy older adults.
- Urolithin A people
- 0
- Urolithin A nulls
- 1
- MitoQ people
- 0
- MitoQ nulls
- 0
Dose
No human dose established
Amounts that were given in studies sit in Human evidence on this page. None of them is a personal dose.
2 completed trials, 0 people given it
Dose
No human dose established
Amounts that were given in studies sit in Human evidence on this page. None of them is a personal dose.
1 completed trial, 0 people given it
First-hand reports are counted on each profile and never added together. This page sets two published records side by side. It does not pick a winner.
Column A
Urolithin AUrolithin A
A compound your gut makes from pomegranates and berries. In older adults it helped muscle stamina and strength on some tests, and missed on others. It is sold as a supplement.
Column B
MitoQMitoQ (mitoquinone mesylate), mitochondria-targeted antioxidant
A widely sold antioxidant aimed at mitochondria. In a study of 20 healthy older adults, it helped their blood vessels work better. In mice, it failed the lifespan test.
Side by side, on the facts we can check
| What we compare | Urolithin A | MitoQ |
|---|---|---|
| Category | Muscle & Performance | Antioxidant |
| FDA status | Sold as a supplement (generally recognized as safe, or GRAS); not an approved drug | Sold as a dietary supplement in the United States. Not approved to prevent or treat anything. |
| Half-life | Several hours | Not asserted. No reliable human half-life figure was resolved in the sources loaded. Mitochondrial accumulation means tissue kinetics differ substantially from plasma kinetics. |
| Molecular weight | 228.2 Da | Roughly 665 Da for the mesylate salt. A small molecule, not a peptide. |
| How it works | It turns on mitophagy. That is the cell's way of clearing out broken mitochondria, the parts that make energy. The result is a better energy supply, mostly in muscle. | MitoQ is the active head of coenzyme Q10 (ubiquinone) bolted to a positively charged carrier (triphenylphosphonium). Mitochondria carry a strong negative charge inside, so the carrier piles up there, several hundred times more than elsewhere. Normal antioxidants spread all over the body. MitoQ gathers right where mitochondria make the damaging molecule superoxide. It is not a stand-in for CoQ10, though. The carrier gets in the way, so it cannot pass electrons along the energy chain the way CoQ10 does. |
| Studies in people | 3 | 1 |
| Evidence | Limited: 2 completed trials, none stating how many people | Limited: 1 completed trial, none stating how many people |
| Legal status, US | Sold as a dietary supplement | Sold as a supplement |
Frequently asked questions
What is the difference between Urolithin A and MitoQ?
Urolithin A: A compound your gut makes from pomegranates and berries. In older adults it helped muscle stamina and strength on some tests, and missed on others. It is sold as a supplement. MitoQ: A widely sold antioxidant aimed at mitochondria. In a study of 20 healthy older adults, it helped their blood vessels work better. In mice, it failed the lifespan test.
Which has stronger research evidence, Urolithin A or MitoQ?
Each compound gets a band worked out from facts we counted, with the math shown. Urolithin A is Limited (2 completed trials, none stating how many people). MitoQ is Limited (1 completed trial, none stating how many people). That counts how much has been done in people. It does not rate whether either one works, and neither one is called the winner.
Are Urolithin A and MitoQ FDA-approved?
Urolithin A: Sold as a supplement (generally recognized as safe, or GRAS); not an approved drug. MitoQ: Sold as a dietary supplement in the United States. Not approved to prevent or treat anything..
Reviewed Sep 2026. This page puts two published records side by side. It is for learning, and it is not medical advice. When this site shows a dose, it is the dose a trial or a clinic actually used, or what people say they did, with the source attached. None of it tells you what to take.