# Fish Mint

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/fish-mint
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 4 / 10
**Category:** Leaf/Green
**Also Known As:** Houttuynia cordata, Chameleon plant, Heart-leaf houttuynia, Yu xing cao, Dokudami, Diep ca, Chinese lizard tail, Bishop's weed

## Overview

Fish Mint (Houttuynia cordata) contains quercitrin and isoquercitrin as primary bioactive flavonoids that modulate [inflammatory pathway](/ingredients/condition/inflammation)s and support [immune function](/ingredients/condition/immune-support). These compounds work through inhibition of NF-κB signaling and enhancement of [antioxidant](/ingredients/condition/antioxidant) enzyme activity.

## Health Benefits

Supports respiratory health, [immune function](/ingredients/condition/immune-support), digestive wellness, and [cognitive function](/ingredients/condition/cognitive). Its high antioxidant content helps reduce [inflammation](/ingredients/condition/inflammation) and [oxidative stress](/ingredients/condition/antioxidant), while its antimicrobial properties support overall wellness. Research further indicates that Fish Mint may support metabolic efficiency and cellular [energy production](/ingredients/condition/energy) through its micronutrient and cofactor content. The synergistic interaction between its primary bioactives contributes to comprehensive antioxidant defense, immune vigilance, and tissue repair mechanisms, making it a valuable functional food ingredient.

## Mechanism of Action

Fish Mint's bioactive compounds, particularly quercitrin and chlorogenic acid, inhibit nuclear factor-κB (NF-κB) [inflammatory pathway](/ingredients/condition/inflammation)s and cyclooxygenase-2 (COX-2) enzyme activity. The flavonoids enhance superoxide dismutase and catalase [antioxidant](/ingredients/condition/antioxidant) enzyme expression while modulating immune cell cytokine production. Volatile oils including decanoyl acetaldehyde provide [antimicrobial](/ingredients/condition/immune-support) effects through bacterial cell wall disruption.

## Clinical Summary

Limited clinical research exists for Fish Mint supplementation in humans. In vitro studies demonstrate significant [anti-inflammatory](/ingredients/condition/inflammation) activity with IC50 values of 15-25 μg/mL for COX-2 inhibition. Animal studies using 200-400 mg/kg doses showed improved respiratory function and reduced inflammatory markers. Human clinical trials are needed to establish therapeutic efficacy and optimal dosing protocols.

## Nutritional Profile

Rich in flavonoids, polyphenols, potassium, magnesium, calcium, phosphorus, B-complex vitamins, essential oils, and chlorophyll. Detailed compositional analysis of Fish Mint shows the presence of essential micronutrients including B-vitamins (thiamin, riboflavin, niacin), fat-soluble vitamins, and a mineral profile including potassium, phosphorus, and trace elements. The total dietary fiber fraction includes both soluble and insoluble components contributing to satiety and gut health.

## Dosage & Preparation

Recommended Dosage: Tea: Steep 1-2 teaspoons of dried leaves in hot water for 5-10 minutes, drink 2-3 cups daily. Powder: Mix 1-2 teaspoons (2-5g) into smoothies or beverages. Fresh: Add to salads, soups, or cooking.

Traditional Use & Preparation: Fish mint has been used in Southeast Asian cuisine and traditional medicine for centuries. It is commonly used fresh in salads, spring rolls, and soups. In Chinese medicine, it is brewed for respiratory infections, [digestive health](/ingredients/condition/gut-health), and detoxification.

General Guidance: Start with a lower dose and increase gradually. Consult a healthcare provider before starting any new supplement, especially if pregnant, nursing, or taking medications.

## Safety & Drug Interactions

Fish Mint appears generally well-tolerated with mild gastrointestinal upset reported in some users at higher doses. Potential interactions may occur with anticoagulant medications due to flavonoid content affecting platelet aggregation. Pregnancy and breastfeeding safety has not been established through clinical studies. Individuals with plant allergies should exercise caution when first using Fish Mint supplements.

## Scientific Research

Research on Fish Mint, native to Native to Southeast Asia, has been documented in the scientific literature. Phytochemical investigation has identified bioactive constituents including flavonoids, tannins, phenolic acids, and terpenoids. Ethnobotanical surveys document traditional medicinal uses spanning multiple cultures. In vitro studies demonstrate [antioxidant](/ingredients/condition/antioxidant), [antimicrobial](/ingredients/condition/immune-support), and [anti-inflammatory](/ingredients/condition/inflammation) activities. Safety and toxicology assessments support traditional use at recommended doses. Amino acid profiling reveals a balanced essential amino acid composition. Bioavailability studies have examined absorption and [metabolism](/ingredients/condition/weight-management) parameters.

## Historical & Cultural Context

Revered across Asia for its medicinal properties, fish mint has been used to treat respiratory issues, [inflammation](/ingredients/condition/inflammation), and [digestive health](/ingredients/condition/gut-health) in China, Vietnam, Laos, Japan, and Korea.

## Synergistic Combinations

Hermetica Synergy Stack (Formulation Heuristic)
Role: Mineral + chlorophyll base (systemic vitality)
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Cognition & Focus
Primary Pairings: Ginger (Zingiber officinale); Turmeric (Curcuma longa); Matcha (Camellia sinensis); Cilantro
Notes (from original entry): Synergistic Pairings: Pairs well with lemongrass, ginger, turmeric, black pepper, citrus fruits, matcha, ginseng, mint, cilantro, aloe vera, and chamomile in various culinary and wellness applications.
Evidence: see study_urls / reference_urls

## Frequently Asked Questions

### What is the recommended dosage for fish mint supplements?

Typical fish mint extract dosages range from 300-600 mg daily, standardized to 3-5% flavonoids. Start with lower doses to assess tolerance, as higher amounts may cause digestive discomfort.

### How long does it take for fish mint to show respiratory benefits?

Based on traditional use patterns, respiratory support effects may be noticed within 1-2 weeks of consistent supplementation. However, controlled human studies are lacking to confirm specific timeframes for therapeutic benefits.

### Can fish mint interact with blood pressure medications?

Fish mint may potentially enhance the effects of antihypertensive medications due to its vasodilatory properties from flavonoid compounds. Consult healthcare providers before combining with blood pressure treatments to avoid excessive hypotension.

### Is fish mint safe for children to take as a supplement?

Safety data for fish mint supplementation in children is insufficient to recommend use. The herb has traditional food use in some cultures, but concentrated extracts should be avoided in pediatric populations without medical supervision.

### What's the difference between fresh fish mint and extract supplements?

Fresh fish mint leaves contain 0.2-0.5% volatile oils and lower flavonoid concentrations compared to standardized extracts providing 3-5% active compounds. Supplements offer consistent potency while fresh leaves provide broader phytochemical profiles but variable active content.

### What foods contain fish mint and can I get enough from diet alone?

Fish mint is a leafy herb native to Southeast Asia and is commonly used fresh in Vietnamese and Thai cuisines, particularly in soups and salads. While culinary consumption provides some antioxidants and antimicrobial compounds, the concentrations in traditional dishes are typically lower than therapeutic supplement doses used in clinical research. To achieve the respiratory and immune-supporting benefits documented in studies, supplementation in extract or concentrated form is generally more effective than dietary sources alone.

### What does clinical research show about fish mint's effectiveness for respiratory health?

Research indicates that fish mint's high antioxidant and antimicrobial properties support respiratory wellness by reducing inflammation and oxidative stress in the airway tissues. Several studies suggest benefits for immune function and overall respiratory comfort, though most evidence comes from traditional use and in vitro research rather than large-scale human trials. Additional clinical studies are ongoing to establish optimal dosing protocols and specific respiratory conditions where fish mint supplementation shows the strongest evidence.

### Who benefits most from fish mint supplementation?

Fish mint supplements may be most beneficial for individuals seeking natural respiratory support, those with high oxidative stress, and people interested in immune and digestive wellness enhancement. It may also appeal to those pursuing cognitive function support and metabolic efficiency through natural antioxidant sources. Individuals with existing respiratory sensitivities, those on medications, and pregnant or nursing women should consult a healthcare provider before supplementing.

## References

ScienceDirect article

---

*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
*License: CC BY-NC-SA 4.0 — Attribution required. Commercial use: admin@hermeticasuperfoods.com*