# Pomella (Punica granatum extract)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/pomella
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-03
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Punica granatum extract, standardized pomegranate extract, ellagitannin-rich pomegranate extract, punicalagin-standardized extract, pomegranate polyphenol extract, Punica granatum L. extract

## Overview

Pomella is a standardized Punica granatum (pomegranate) extract concentrated in punicalagins and ellagic acid, polyphenols that are metabolized by gut bacteria into urolithin A. This urolithin A drives its primary mechanisms, including [antioxidant](/ingredients/condition/antioxidant) defense, [gut microbiome](/ingredients/condition/gut-health) modulation, and potential [immunomodulatory](/ingredients/condition/immune-support) activity.

## Health Benefits

• Supports gut microbiota balance and increases beneficial short-chain fatty acids (Evidence: RCT, n=40)
• Elevates urolithin A levels for potential [immunomodulatory](/ingredients/condition/immune-support) effects (Evidence: RCT, n=40)
• Provides potent [antioxidant activity](/ingredients/condition/antioxidant) through DPPH radical scavenging up to 81% (Evidence: In-vitro studies)
• May inhibit LDL oxidation by up to 93.7% (Evidence: Laboratory studies)
• Potentially reduces [inflammation](/ingredients/condition/inflammation) through nitric oxide and iNOS suppression (Evidence: Cell culture studies)

## Mechanism of Action

Punicalagins in Pomella are hydrolyzed in the gut to ellagic acid, which colonic microflora further convert into urolithin A via sequential lactonization and dehydroxylation steps. Urolithin A activates Nrf2-mediated [antioxidant](/ingredients/condition/antioxidant) response elements, upregulating cytoprotective enzymes such as heme oxygenase-1 (HO-1) and superoxide dismutase (SOD). Additionally, urolithin A modulates [NF-κB](/ingredients/condition/inflammation) signaling and promotes mitophagy through PINK1/Parkin pathway activation, contributing to its [immunomodulatory](/ingredients/condition/immune-support) and cellular homeostasis effects.

## Clinical Summary

A randomized controlled trial (n=40) demonstrated that Pomella supplementation significantly elevated plasma urolithin A levels and improved short-chain fatty acid (SCFA) production, indicating favorable shifts in gut microbiota composition. The same RCT reported [immunomodulatory](/ingredients/condition/immune-support) effects attributable to elevated urolithin A, though mechanistic endpoints were exploratory. In vitro studies have quantified DPPH free-radical scavenging activity at up to 81%, supporting robust [antioxidant](/ingredients/condition/antioxidant) capacity. Overall, the clinical evidence base is promising but limited by small sample sizes and a need for larger, longer-duration trials.

## Nutritional Profile

Pomella is a standardized extract of Punica granatum (pomegranate) fruit, typically standardized to ≥30% punicalagins (primary bioactive ellagitannins) and ≥50–70% total polyphenols. Key bioactive compounds include: **Ellagitannins** – punicalagin α and β (collectively 250–350 mg per typical 500 mg dose), punicalin, and pedunculagin, which are hydrolyzed in the gut to release ellagic acid; **Ellagic acid** – approximately 2–5% free form in the extract, with substantially more liberated upon gastrointestinal hydrolysis of parent ellagitannins; **Anthocyanins** – trace amounts of cyanidin-3-glucoside and delphinidin-3-glucoside (typically <1%); **Gallic acid and other hydroxybenzoic acids** – present at approximately 1–3% of extract weight; **Flavonoids** – minor quantities of quercetin, kaempferol, and luteolin glycosides. The extract contains negligible macronutrients (protein <1%, fat <0.5%, carbohydrates ~5–10% primarily from residual sugars and fiber fragments per serving). Mineral content is minimal but may include trace potassium (~0.5–1.5 mg per dose) and trace iron. No significant vitamins are present at supplemental levels. **Bioavailability notes:** Punicalagins themselves have very low oral bioavailability (<0.1% absorbed intact) but are extensively hydrolyzed to ellagic acid in the upper GI tract. Ellagic acid is partially absorbed but undergoes significant colonic [metabolism](/ingredients/condition/weight-management) by gut microbiota (Gordonibacter and Ellagibacter spp.) to produce **urolithins** (primarily urolithin A, and to a lesser extent urolithins B, C, and D), which are the principal systemically bioavailable metabolites. Urolithin A reaches plasma concentrations of 0.5–18 µM depending on individual metabotype (metabotype A producers generate predominantly urolithin A glucuronide; approximately 40–60% of individuals are efficient urolithin A producers). Peak plasma urolithin levels occur 24–48 hours post-ingestion, reflecting colonic metabolism. The [antioxidant](/ingredients/condition/antioxidant) capacity (ORAC) of the extract is approximately 4,000–6,000 µmol TE/g. DPPH radical scavenging activity reaches up to 81% at standard test concentrations. The extract demonstrates up to 93.7% inhibition of copper-induced LDL oxidation in laboratory assays, attributable primarily to punicalagins and ellagic acid acting synergistically.

## Dosage & Preparation

Clinically studied dosage: 150-300 mg/day of standardized extract (containing 20% punicalagins, typically 75 mg punicalagins per dose). Standardization specified as 20% punicalagins by HPLC. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Pomella is generally well tolerated at studied doses, with no serious adverse events reported in available RCT data; mild gastrointestinal discomfort is a possible side effect given its high polyphenol content. Punicalagins and ellagic acid may inhibit CYP3A4 and CYP2C9 enzymes, raising potential interaction concerns with anticoagulants such as warfarin, certain statins, and immunosuppressants like cyclosporine. Individuals taking blood-pressure-lowering medications should exercise caution, as pomegranate polyphenols have demonstrated mild antihypertensive effects that could produce additive hypotension. Safety data in pregnant or breastfeeding women are insufficient, and use during these periods should be discussed with a healthcare provider.

## Scientific Research

A prospective randomized, double-blind, placebo-controlled study (n=40 healthy adults) tested 75 mg punicalagins from Pomella daily for 4 weeks, showing significant shifts in gut microbiota composition, increased plasma short-chain fatty acids, and elevated urolithin A levels (PMID: 38139000). While specific RCTs on Pomella are limited, related pomegranate extract studies demonstrate [anti-inflammatory](/ingredients/condition/inflammation) effects in animal models.

## Historical & Cultural Context

Pomegranate has been used in traditional medicine systems like Ayurveda and Unani for over 2,000 years to treat [inflammation](/ingredients/condition/inflammation), diarrhea, and oxidative conditions. While the fruit has extensive traditional use, Pomella as a branded standardized extract lacks historical precedent.

## Synergistic Combinations

Probiotics, [Prebiotic](/ingredients/condition/gut-health)s, Vitamin C, Green Tea Extract, Resveratrol

## Frequently Asked Questions

### What is Pomella pomegranate extract and how is it different from regular pomegranate juice?

Pomella is a patented, standardized extract of Punica granatum standardized to high concentrations of punicalagins and ellagic acid, the primary bioactive polyphenols. Regular pomegranate juice contains these compounds in variable, typically lower amounts and includes sugars and other constituents not present in the concentrated extract. This standardization allows for more consistent and reproducible clinical dosing compared to whole juice.

### What is urolithin A and why does it matter for Pomella's benefits?

Urolithin A is a gut-derived metabolite produced when colonic bacteria convert ellagic acid from punicalagins through a series of dehydroxylation and lactonization reactions. It is the primary bioactive compound responsible for Pomella's immunomodulatory and mitophagy-promoting effects, activating the PINK1/Parkin pathway and Nrf2 antioxidant signaling. Notably, urolithin A production varies significantly between individuals depending on gut microbiome composition, which can affect personal response to supplementation.

### What does the clinical research say about Pomella's effect on gut health?

In a randomized controlled trial involving 40 participants, Pomella supplementation led to measurable increases in beneficial short-chain fatty acids (SCFAs) such as butyrate, propionate, and acetate, which are markers of favorable gut microbiota activity. The study also detected significant increases in plasma urolithin A, confirming active microbial metabolism of the extract's punicalagins. While these results are encouraging, the study's small sample size means findings should be considered preliminary pending replication in larger cohorts.

### How potent is Pomella as an antioxidant compared to other supplements?

In vitro testing showed Pomella achieves up to 81% DPPH (2,2-diphenyl-1-picrylhydrazyl) free-radical scavenging activity, a standard benchmark for antioxidant potency. This activity is attributed primarily to punicalagins, which are among the most potent polyphenolic antioxidants identified in any fruit. However, in vitro antioxidant measurements do not always translate directly to equivalent in vivo effects due to bioavailability and metabolic conversion factors.

### Can Pomella interact with medications like warfarin or blood pressure drugs?

Yes, Pomella's ellagic acid and punicalagin content can inhibit hepatic CYP3A4 and CYP2C9 enzymes, which are responsible for metabolizing medications such as warfarin, certain statins (atorvastatin), and immunosuppressants like cyclosporine, potentially raising their plasma levels. Pomegranate polyphenols also exhibit mild antihypertensive effects via ACE inhibition, which could amplify the action of prescribed antihypertensive drugs. Anyone taking these medications should consult a healthcare professional before adding Pomella to their regimen.

### What is the recommended daily dosage of Pomella pomegranate extract, and does timing matter?

Clinical studies demonstrating benefits typically used 500–1000 mg of Pomella daily, often divided into two doses with meals to optimize absorption. Timing with food may enhance bioavailability of polyphenols, though consistent daily intake appears more important than specific timing. Always follow the dosage instructions on your product label, as formulations vary.

### Is Pomella safe during pregnancy and breastfeeding?

Safety data for Pomella specifically during pregnancy and breastfeeding is limited; most clinical trials exclude pregnant and nursing women. While pomegranate is generally recognized as a food, concentrated extract supplementation during these periods should be discussed with a healthcare provider first. Consult your doctor before using Pomella if you are pregnant or breastfeeding.

### How does Pomella's bioavailability compare to whole pomegranate juice or fresh pomegranate seeds?

Pomella is a standardized extract designed to deliver consistent, concentrated levels of ellagic acid and polyphenols—often more potent per serving than juice or whole fruit. However, whole pomegranate contains additional fiber and nutrients that extracts lack, and the synergistic effects of whole food may offer benefits beyond isolated compounds. Pomella offers superior consistency and convenience for research-backed dosing, whereas whole fruit provides a broader nutrient profile.

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