Urolithin A Powder

Urolithin A is a gut microbiota-derived metabolite of dietary ellagitannins and ellagic acid, compounds found in high concentration in pomegranates, walnuts, and certain berries. 

Since it is produced through bacterial transformation of dietary tannins rather than being present in the food itself, Urolithin A is classified in the research literature as a postbiotic metabolite.

Urolithin A is intended strictly for laboratory research purposes and is not approved for human or animal consumption.

Proposed Mechanism of Action of Urolithin A Powder

Preclinical research has characterized Urolithin A as a first-in-class inducer of mitophagy — the selective degradation of defective mitochondria. 

Mechanistic research further indicates that Urolithin A shifts mitochondrial respiration from Complex I-driven to Complex II-driven pathways, a shift studied in relation to its mitophagy-inducing activity.

Beyond mitochondrial quality control, Urolithin A has been studied for anti-inflammatory and antioxidant effects. 

Potential Research Applications of Urolithin A Powder

Researchers investigate Urolithin A powder under controlled laboratory conditions for the following research applications. Though more extensive study is required.

• Mitophagy and Mitochondrial Quality Control Research

Studied as a reference inducer of selective mitochondrial degradation in research models.

• Neuroinflammation and Neurodegeneration Research

Studied in research models for effects on microglial inflammasome activation and amyloid-beta-induced toxicity.

• Immunology and T-Cell Signaling Research

Investigated effects on calcium signaling and anti-tumor T-cell function in investigational models.

• Comparative Postbiotic Metabolite Research

Used alongside related urolithins (B, C, D) and iso-urolithin A in comparative structure-activity studies.

Frequently Asked Questions

What cellular pathway is Urolithin A best known for?

Urolithin A is primarily studied for its ability to promote mitophagy, a selective form of autophagy that removes dysfunctional mitochondria. Mitophagy helps maintain mitochondrial quality and cellular energy homeostasis, making it an important area of aging and metabolic research.

What makes Urolithin A different from other mitochondrial research compounds?

Unlike compounds that are studied to increase cellular energy production, Urolithin A is being studied for its role in mitochondrial quality control. Its research focuses on helping cells recycle damaged mitochondria through mitophagy rather than simply increasing mitochondrial activity.

Which biomarkers are commonly evaluated in Urolithin A studies?

Research commonly examines biomarkers related to mitochondrial function, ATP production, reactive oxygen species (ROS), mitochondrial membrane potential, autophagy-related proteins, and mitophagy-associated signaling pathways.

Why is Urolithin A classified as a postbiotic metabolite?

Urolithin A is formed through microbial metabolism of dietary ellagitannins and ellagic acid, making it a microbial-derived metabolite that is commonly classified as a postbiotic in scientific literature.

What analytical techniques are used to characterize Urolithin A?

Researchers commonly use high-performance liquid chromatography (HPLC), liquid chromatography-mass spectrometry (LC-MS), nuclear magnetic resonance (NMR), and other analytical methods to evaluate the identity and purity of Urolithin A.

Why Researchers Source Urolithin A from Purerawz?

Purerawz supplies Urolithin A exclusively for laboratory research and analytical applications. Available product documentation may include batch-specific information, certificates of analysis (CoAs), and analytical characterization data to assist researchers in evaluating material identity and quality for experimental use. 

As with all research materials, investigators should independently review the available specifications and supporting documentation to determine whether the material is appropriate for their intended laboratory protocols and research objectives.

Reference Links

Ryu, D., Mouchiroud, L., Andreux, P. A., Katsyuba, E., Moullan, N., Nicolet-Dit-Félix, A. A., Williams, E. G., Jha, P., Lo Sasso, G., Huzard, D., Aebischer, P., Sandi, C., Rinsch, C., & Auwerx, J. (2016). Urolithin A induces mitophagy and prolongs lifespan in C. elegans and increases muscle function in rodents. Nature Medicine, 22(8), 879–888. https://doi.org/10.1038/nm.4132

Qiu, J., Chen, Y., Zhuo, J., Zhang, L., Liu, J., Wang, B., Sun, D., Yu, S., & Lou, H. (2022). Urolithin A promotes mitophagy and suppresses NLRP3 inflammasome activation in lipopolysaccharide-induced BV2 microglial cells and MPTP-induced Parkinson’s disease model. Neuropharmacology, 207, Article 108963. https://doi.org/10.1016/j.neuropharm.2022.108963

Jayatunga, D. P. W., Hone, E., Khaira, H., Lunelli, T., Singh, H., Guillemin, G. J., Fernando, B., Verdile, G., & Martins, R. N. (2021). Therapeutic potential of mitophagy-inducing microflora metabolite, Urolithin A for Alzheimer’s disease. Nutrients, 13(11), Article 3744. https://doi.org/10.3390/nu13113744

Lin, J., Cheng, A., Cheng, K., Deng, Q., Zhang, S., Lan, Z., Wang, W., & Chu, J. (2020). Urolithin A-induced mitophagy suppresses apoptosis and attenuates intervertebral disc degeneration via the AMPK signaling pathway. Free Radical Biology and Medicine, 150, 109–119. https://doi.org/10.1016/j.freeradbiomed.2020.02.024