What Is Urolithin A? Benefits, Research, and Safety Explained (2026)
What urolithin A is, how gut bacteria make it from ellagitannins, what the mitophagy research shows so far, plus its safety profile and how supplements differ.
What Is Urolithin A
Urolithin A vs. Urolithin B: Distinct Biological Actions and Potential Health Implications
Compare urolithin A and B—how they differ in metabolism, cellular effects, and pre‑clinical evidence on cancer, heart, bone and inflammation.
Urolithin A Explained: What It Is, How It Works, and What the Science Shows
Plain‑English guide to urolithin A – a gut‑derived metabolite that activates mitophagy, supports mitochondrial health and shows promise in early human studies.
How Your Gut Converts Ellagitannins into Urolithin A – The Microbial Pathway Explained
How gut bacteria transform ellagitannins from pomegranate and walnuts into urolithin A, the steps involved, and what makes production vary between people.
Foods Rich in Ellagitannins: Natural Sources of Urolithin A
Discover which fruits, nuts and other foods provide ellagitannins that gut microbes convert into the health‑promoting metabolite urolithin A.