# Urolithin A

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/urolithin-a
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 8 / 10
**Category:** Fermented/Probiotic
**Also Known As:** 3,8-dihydroxy-6H-dibenzo[b,d]pyran-6-one, Urolithin-A, UA, Mitophagy activator, Ellagitannin metabolite, Pomegranate metabolite

## Overview

Urolithin A is a postbiotic metabolite derived from ellagitannin-rich foods that activates mitophagy, the cellular process of removing damaged mitochondria. This compound enhances [mitochondrial function](/ingredients/condition/energy), supports muscle health, and reduces age-related cellular decline.

## Health Benefits

- Enhances mitochondrial function and energy production, increasing cellular ATP levels by 30%. This combats fatigue and boosts vitality. - Supports muscle health by reducing age-related muscle decline, preserving muscle mass. This enhances physical performance. - Reduces [inflammation](/ingredients/condition/inflammation) by modulating immune responses, lowering inflammatory markers. This promotes overall health and [longevity](/ingredients/condition/longevity). - Improves [cognitive function](/ingredients/condition/cognitive) by enhancing brain [mitochondrial efficiency](/ingredients/condition/energy), supporting memory and focus. This boosts mental clarity. - Supports [cardiovascular health](/ingredients/condition/heart-health) by improving endothelial function, reducing heart disease risk. This enhances circulatory health. - Promotes [skin health](/ingredients/condition/skin-health) by reducing [oxidative stress](/ingredients/condition/antioxidant), delaying signs of aging. This maintains youthful skin appearance. - Enhances metabolic health by improving lipid metabolism, aiding in weight management. This supports a healthy [body composition](/ingredients/condition/weight-management).

## Mechanism of Action

Urolithin A activates mitophagy by inducing the PINK1/Parkin pathway, promoting the selective removal of damaged mitochondria. It upregulates PGC-1α expression, enhancing [mitochondrial biogenesis](/ingredients/condition/energy) and increasing cellular ATP production. The compound also modulates NF-κB signaling to reduce [inflammatory](/ingredients/condition/inflammation) cytokine production.

## Clinical Summary

Human clinical trials with 500-1000mg daily doses show Urolithin A increases cellular ATP by up to 30% and improves muscle endurance markers. A 4-month randomized controlled trial in 60 elderly adults demonstrated significant improvements in [mitochondrial](/ingredients/condition/energy) gene expression and muscle function. However, most evidence comes from small-scale studies, and larger long-term trials are needed to confirm safety and efficacy across diverse populations.

## Nutritional Profile

- Not a direct dietary component but a metabolite. - Derived from ellagitannins found in fruits like pomegranates. - Requires a healthy [gut microbiome](/ingredients/condition/gut-health) for production.

## Dosage & Preparation

Typical dosage ranges from 250 mg to 500 mg per day. Available in capsule or powder form. Consult a healthcare provider before use.

## Safety & Drug Interactions

Urolithin A appears well-tolerated in clinical studies with minimal reported side effects at doses up to 1000mg daily. Some individuals may experience mild gastrointestinal upset during initial supplementation. No significant drug interactions have been reported, but individuals taking medications for diabetes should monitor [blood glucose](/ingredients/condition/weight-management) levels. Safety during pregnancy and breastfeeding has not been established.

## Scientific Research

Numerous RCTs have demonstrated Urolithin A's role in improving [mitochondrial](/ingredients/condition/energy) health and muscle function. In vitro studies support its [anti-inflammatory](/ingredients/condition/inflammation) effects. Meta-analyses are ongoing to further validate these findings.

## Historical & Cultural Context

Urolithin A's discovery is recent, linked to the study of pomegranate's health benefits. Traditionally, pomegranates have been valued for their [antioxidant](/ingredients/condition/antioxidant) properties.

## Synergistic Combinations

Ellagic Acid, Pomegranate Extract, Resveratrol

## Known Interactions

| Substance | Severity | Summary | URL |
|---|---|---|---|
| Adrafinil | SAFE | Adrafinil and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/adrafinil |
| Serrapeptase | SAFE | Serrapeptase and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/serrapeptase |
| Phenibut | SAFE | Phenibut and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/phenibut |
| Tianeptine | SAFE | Tianeptine and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/tianeptine |
| Fadogia Agrestis | SAFE | Fadogia Agrestis and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/fadogia-agrestis |
| Nattokinase | SAFE | Nattokinase and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/nattokinase |
| Cistanche | SAFE | Cistanche and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/cistanche |
| Black Walnut Hull | SAFE | Black Walnut Hull and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/black-walnut-hull |
| Lumbrokinase | SAFE | Lumbrokinase and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/lumbrokinase |
| Wormwood | SAFE | Wormwood and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/wormwood |
| Apigenin | SAFE | Apigenin and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/apigenin |
| Wobenzym | SAFE | Wobenzym and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/wobenzym |
| Emodin | SAFE | Emodin and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/emodin |
| Clove Oil | SAFE | Clove Oil and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/clove-oil |
| Tea Tree Oil | SAFE | Tea Tree Oil and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/tea-tree-oil |
| Monolaurin | SAFE | Monolaurin and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/monolaurin |
| Sea Moss | SAFE | Sea Moss and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/sea-moss |
| Colloidal Silver | SAFE | Colloidal Silver and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/colloidal-silver |
| Spermidine | SAFE | Spermidine and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/spermidine |
| Turkesterone | SAFE | Turkesterone and Urolithin A — No Known Interaction | https://ingredients.hermeticasuperfoods.com/interactions/turkesterone |

## Frequently Asked Questions

### How does urolithin A support cognitive function and memory?

Urolithin A supports brain health by enhancing mitochondrial efficiency in neurons through activation of the PINK1/Parkin mitophagy pathway and upregulation of PGC-1α. This clears damaged mitochondria and boosts ATP production in brain cells, which are highly energy-dependent. Improved mitochondrial function translates to better memory, focus, and mental clarity. Additionally, urolithin A's modulation of NF-κB signaling reduces neuroinflammation, a key driver of age-related cognitive decline. Early research suggests these mechanisms may help preserve cognitive performance as we age.

### What foods naturally contain urolithin A or its precursors?

Urolithin A is not found directly in food but is produced in the gut when bacteria metabolise ellagitannins, polyphenols abundant in pomegranates, walnuts, raspberries, strawberries, and blackberries. However, only around 30–40% of people have the gut microbiome composition capable of converting ellagitannins into meaningful levels of urolithin A. This variability is a primary reason many people turn to direct urolithin A supplementation to reliably obtain the compound's benefits regardless of gut flora status.

### How long does it take to see results from urolithin A supplementation?

Based on available clinical research, urolithin A supplementation typically requires consistent use over several weeks to produce measurable outcomes. Improvements in mitochondrial function and cellular energy markers have been observed within 4 weeks, while benefits to muscle endurance and strength may take 8–12 weeks of daily supplementation at 500 mg to become apparent. Metabolic and inflammatory marker improvements are similarly gradual. Individual responses vary depending on age, baseline mitochondrial health, and gut microbiome composition. Consistency is essential for optimal results.

### Can urolithin A help with age-related muscle loss (sarcopenia)?

Yes, urolithin A shows promising results for combating sarcopenia. By activating mitophagy via the PINK1/Parkin pathway and upregulating PGC-1α, it removes dysfunctional mitochondria in muscle cells and stimulates the generation of new, healthy ones. Clinical studies have demonstrated preservation of muscle mass and improved physical performance in older adults supplementing with urolithin A. Increased cellular ATP production also supports muscle contractile function. These mechanisms make urolithin A a compelling candidate for addressing the progressive muscle decline associated with aging.

### Does urolithin A benefit cardiovascular health?

Urolithin A supports cardiovascular health through multiple mechanisms. It improves endothelial function, which regulates vascular tone and blood flow, reducing risk factors associated with heart disease. Its anti-inflammatory action via NF-κB modulation lowers circulating inflammatory cytokines that contribute to atherosclerosis. Improved lipid metabolism and mitochondrial efficiency in cardiac cells further support heart health. Enhanced mitochondrial biogenesis ensures heart muscle cells maintain adequate energy supply. While human cardiovascular trials are still emerging, the mechanistic evidence is well-supported by preclinical research.

### Can I take urolithin A with NAD+ precursors like NMN or NR?

Urolithin A and NAD+ precursors such as NMN or NR are increasingly combined in longevity-focused supplement stacks, and there is a logical mechanistic rationale for doing so. Both target mitochondrial health through complementary pathways: urolithin A activates mitophagy to clear damaged mitochondria via PINK1/Parkin signalling, while NAD+ precursors fuel mitochondrial energy metabolism and support sirtuins. No significant adverse interactions have been reported. However, clinical data on this specific combination remains limited. Consult a healthcare provider before combining, particularly if taking other medications.

### What is the recommended dose of urolithin A for adults?

The typical evidence-based dosage for urolithin A supplementation ranges from 250 mg to 500 mg per day, taken orally in capsule or powder form. Clinical trials supporting improvements in mitochondrial function and muscle performance have commonly used 500 mg daily. Lower doses of 250 mg may still confer benefits, particularly for general cellular health maintenance. Urolithin A is generally well tolerated across this range. It is advisable to consult a healthcare provider before starting supplementation, especially for individuals with underlying health conditions or those taking prescription medications.

### Can urolithin A help with skin aging and oxidative stress?

Urolithin A supports skin health by reducing oxidative stress in skin cells, a primary driver of visible aging. By activating mitophagy and clearing dysfunctional mitochondria, it reduces the accumulation of reactive oxygen species (ROS) that damage skin proteins like collagen and elastin. Upregulation of PGC-1α also supports cellular energy production needed for skin repair and regeneration. Its anti-inflammatory properties via NF-κB modulation further protect against inflammation-driven skin aging. These combined mechanisms may help delay the appearance of fine lines, uneven tone, and loss of skin firmness.

### Does urolithin A improve muscle strength and exercise performance?

Yes, urolithin A supports muscle health by activating mitophagy through the PINK1/Parkin pathway, clearing damaged mitochondria and improving cellular energy output. This process helps preserve muscle mass and combat age-related decline, known as sarcopenia. Randomised controlled trials have demonstrated improvements in muscle endurance and function following urolithin A supplementation. By upregulating PGC-1α and boosting ATP production by approximately 30%, it enhances the energy availability muscles need during physical activity, making it particularly relevant for older adults seeking to maintain performance.

### What is mitophagy and why does urolithin A's activation of it matter?

Mitophagy is the cellular housekeeping process that selectively removes damaged or dysfunctional mitochondria, preventing cellular energy decline and oxidative damage. Urolithin A activates mitophagy by inducing the PINK1/Parkin signalling pathway, which tags and clears defective mitochondria. As we age, mitophagy efficiency declines, contributing to fatigue, muscle loss, and cognitive decline. By restoring this process, urolithin A helps maintain healthy mitochondrial populations, supporting energy production, cellular longevity, and overall metabolic function across multiple tissue types.

### Can urolithin A reduce inflammation in the body?

Urolithin A has demonstrated anti-inflammatory properties through modulation of the NF-κB signalling pathway, a key regulator of inflammatory cytokine production. By suppressing NF-κB activity, urolithin A helps lower circulating inflammatory markers associated with chronic, low-grade inflammation — a driver of many age-related conditions. In vitro studies support these effects, and its anti-inflammatory action complements its mitochondrial benefits, as mitochondrial dysfunction itself triggers inflammatory responses. This dual mechanism makes urolithin A a promising compound for supporting long-term health and reducing inflammation-related disease risk.

### Is urolithin A safe to take, and are there any known side effects?

Urolithin A has demonstrated a strong safety profile in human clinical trials, with no serious adverse effects reported at doses of 250 mg to 500 mg per day. It is a naturally occurring postbiotic metabolite produced from ellagitannin-rich foods, suggesting biological compatibility. Mild gastrointestinal symptoms are theoretically possible, as with most supplements, though these have not been prominently reported. Individuals who are pregnant, breastfeeding, or taking medications should consult a healthcare provider before beginning supplementation, as long-term safety data in these populations remains limited.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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