DM MEDICINE CONTENT TEAM • Last updated: July 27, 2026
When you eat pomegranates, not everyone's body produces the same beneficial compounds. The reason for this is that our gut bacteria are different. Urolithin A is a special compound formed by the conversion of substances in pomegranates and some nuts in the gut.
While some people perform this conversion well, others do very little. Urolithin A supplements aim to provide a measurable amount independent of gut differences.
What is mitophagy?
Mitochondria are like the power plants of our cells. Over time, some can become damaged and work inefficiently. Mitophagy is the quality control system by which the cell segregates and clears out these old mitochondria.
The most talked-about aspect of Urolithin A is its potential to support this system. Better mitochondrial quality is particularly important for the energy utilization of muscles and the preservation of performance with age.
What do human studies say?
Studies in middle-aged and older adults have reported positive results in muscle endurance, certain strength measurements, and mitochondria-related markers.
This does not mean the product builds muscle without exercising. Urolithin A is positioned as a longevity product that supports cellular energy quality alongside regular walking and resistance training.
Is eating pomegranates enough?
Pomegranates provide precursor substances called ellagitannins. However, the gut bacteria that will convert these into urolithin A are not the same in everyone. Therefore, even if two people eat the same amount of pomegranate, they may produce different levels of urolithin A.
Pomegranate is still beneficial with its fiber, polyphenols, and overall nutritional value. Using a supplement does not make pomegranate unnecessary; it offers a more direct and standardized exposure.
Daily use
In human studies, amounts of 500–1,000 mg/day are common. It can be used with meals or as recommended on the label. It is more accurate to evaluate the effect over several months of endurance and recovery rather than instant energy.
For the muscle health goal, using it together with adequate protein and at least two days of resistance exercise per week is the most sensible approach.
Who would find this interesting?
It may be of interest to those who want to maintain muscle endurance with age, adults looking to support recovery from intense exercise, and those following a mitochondria-focused longevity program.
Long-term data is evolving. Professional evaluation should be obtained in cases of pregnancy-breastfeeding, active disease, or multiple medication use. In addition to manufacturer-supported studies, an increase in independent data is expected.
Frequently Asked Questions
Is it the same thing as a pomegranate?
No. Pomegranates provide precursors; gut bacteria can convert these into urolithin A.
Does it build muscle?
It does not build muscle on its own; it can support energy quality and endurance.
Is it the same as spermidine?
No. Spermidine is associated with autophagy, while urolithin A is specifically associated with mitophagy.