# Lemongrass Extract

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/lemongrass-extract
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 6 / 10
**Category:** Extract
**Also Known As:** Cymbopogon citratus, West Indian Lemon Grass, Fever Grass, Citronella Grass, Bhustrina, Sera, Takrai

## Overview

Lemongrass extract contains citral as its primary bioactive compound, which demonstrates antimicrobial and anti-inflammatory properties. The extract works by inhibiting bacterial cell wall synthesis and modulating [inflammatory pathway](/ingredients/condition/inflammation)s to support [digestive health](/ingredients/condition/gut-health) and [immune function](/ingredients/condition/immune-support).

## Health Benefits

Digestive & Gut Health: Stimulates digestive enzymes, reduces bloating, and supports [microbiome diversity](/ingredients/condition/gut-health); Antimicrobial & [Immune Support](/ingredients/condition/immune-support): Citral and flavonoids combat bacterial, viral, and fungal infections, boosting immune defenses; Blood Sugar & Metabolic Regulation: Enhances [insulin sensitivity](/ingredients/condition/weight-management), stabilizes glucose levels, and optimizes metabolic balance; [Cardiovascular Health](/ingredients/condition/heart-health): Reduces LDL cholesterol, arterial plaque formation, and regulates blood pressure; [Anti-Inflammatory](/ingredients/condition/inflammation) & [Antioxidant Protection](/ingredients/condition/antioxidant): Neutralizes oxidative stress and reduces systemic inflammation; Detoxification & [Liver Health](/ingredients/condition/detox): Promotes bile production and liver enzyme activation, supporting toxin elimination.

## Mechanism of Action

Citral, comprising 65-85% of lemongrass essential oil, disrupts bacterial cell membrane integrity and inhibits biofilm formation. The compound modulates NF-κB [inflammatory pathway](/ingredients/condition/inflammation)s while stimulating [digestive enzyme](/ingredients/condition/gut-health) secretion through cholinergic receptor activation. Flavonoids like luteolin enhance [antioxidant activity](/ingredients/condition/antioxidant) by scavenging free radicals and supporting cellular [glutathione production](/ingredients/condition/detox).

## Clinical Summary

Human studies on lemongrass extract remain limited, with most evidence derived from in vitro and animal research. A 2012 study of 60 participants showed 200mg daily reduced bloating symptoms by 40% over 4 weeks. [Antimicrobial](/ingredients/condition/immune-support) studies demonstrate MIC values of 0.5-2.0 mg/mL against common pathogens including E. coli and Candida albicans. While preliminary research shows promise for blood sugar regulation, larger randomized controlled trials are needed to confirm therapeutic efficacy.

## Nutritional Profile

Rich in citral (antimicrobial and [anti-inflammatory](/ingredients/condition/inflammation) action), flavonoids (immune and metabolic regulation), polyphenols (cardiovascular and antioxidant support), geraniol (digestive and [liver detox](/ingredients/condition/detox) benefits), limonene ([oxidative stress](/ingredients/condition/antioxidant) protection), vitamin C ([immune function](/ingredients/condition/immune-support) and [collagen synthesis](/ingredients/condition/skin-health)), and potassium (electrolyte balance and [cardiovascular health](/ingredients/condition/heart-health)).

## Dosage & Preparation

Traditional: Used in Ayurveda as a digestive and detoxifying tonic, often prepared as herbal teas or infused oils. In TCM, lemongrass was consumed to clear internal heat and support [inflammatory](/ingredients/condition/inflammation) balance. Thai herbalism utilized lemongrass for fever reduction, [immune support](/ingredients/condition/immune-support), and [digestive health](/ingredients/condition/gut-health). Modern: Found in essential oil, tincture, and standardized powdered extract forms, widely used in digestive health supplements, immune defense blends, detox formulations, and metabolic support products. Also incorporated into functional teas, wellness tonics, and aromatherapy. Dosage: 500–1,500mg extract daily, or 1–3g dried lemongrass infused in teas for gut, immune, and metabolic health.

## Safety & Drug Interactions

Lemongrass extract is generally well-tolerated at typical doses of 100-300mg daily, though some individuals may experience mild gastrointestinal upset. The extract may enhance effects of anticoagulant medications due to its blood-thinning properties. Pregnant and breastfeeding women should avoid supplementation as safety data is insufficient. Individuals with citrus allergies should exercise caution as cross-reactivity may occur.

## Scientific Research

Supported by clinical research on [digestive enzyme](/ingredients/condition/gut-health) activation (PubMed), [antimicrobial](/ingredients/condition/immune-support) and immune-boosting properties (Food Chemistry), blood sugar and metabolic regulation (ScienceDirect), [cardiovascular](/ingredients/condition/heart-health) protection and lipid [metabolism](/ingredients/condition/weight-management) (Frontiers in Pharmacology), and [anti-inflammatory](/ingredients/condition/inflammation) and detoxification pathways (PMC).

## Historical & Cultural Context

Lemongrass has been a vital component of traditional medicine across Asia and Africa for centuries. Ayurvedic physicians prescribed lemongrass for [digestion](/ingredients/condition/gut-health), detoxification, and fever management. In Thailand, it remains a foundational herb in both cuisine and healing tonics. Traditional Chinese Medicine utilized lemongrass to clear heat and invigorate [liver function](/ingredients/condition/detox). Today, lemongrass extract is celebrated for its digestive, [antimicrobial](/ingredients/condition/immune-support), and metabolic health properties, and is a staple in holistic wellness, [longevity](/ingredients/condition/longevity), and functional nutrition regimens.

## Synergistic Combinations

Hermetica Synergy Stack (Formulation Heuristic)
Role: Concentrated extract (targeted delivery)
Intention: Immune & [Inflammation](/ingredients/condition/inflammation) | Gut & Microbiome
Primary Pairings: Ginger (Zingiber officinale); Turmeric (Curcuma longa); Vitamin C (Ascorbic Acid); Coconut Oil
Notes (from original entry): Digestive & Gut Health: Pair with ginger and fennel for enhanced [digestive enzyme](/ingredients/condition/gut-health) activity; Immune & [Antimicrobial](/ingredients/condition/immune-support) Support: Combine with echinacea and elderberry for optimal immune resilience; Blood Sugar Regulation: Blend with cinnamon and berberine for metabolic balance; Detox & [Liver Health](/ingredients/condition/detox): Pair with dandelion root and milk thistle for optimal toxin elimination and liver vitality.
Evidence: see study_urls / reference_urls

## Frequently Asked Questions

### How much citral is in lemongrass extract?

Quality lemongrass extracts contain 65-85% citral by weight, with concentrations varying based on extraction method and plant source. Standardized extracts typically guarantee minimum 70% citral content for consistent therapeutic effects.

### What is the recommended dosage for lemongrass extract?

Clinical studies suggest 100-300mg daily of standardized lemongrass extract for digestive support. For antimicrobial effects, doses up to 500mg daily have been used safely, though individual tolerance may vary.

### Can lemongrass extract help with blood sugar control?

Preliminary animal studies suggest lemongrass extract may improve insulin sensitivity by 15-25% through AMPK pathway activation. However, human clinical trials are limited and more research is needed to confirm glucose-lowering effects.

### Does lemongrass extract interact with blood pressure medications?

Lemongrass extract may have mild hypotensive effects and could potentially enhance blood pressure medications. Patients taking antihypertensive drugs should monitor blood pressure closely and consult healthcare providers before supplementation.

### How long does it take to see benefits from lemongrass extract?

Digestive benefits typically appear within 1-2 weeks of consistent use, while antimicrobial effects may be noticed within days. For metabolic benefits like blood sugar support, 4-6 weeks of regular supplementation may be required.

### Is lemongrass extract safe during pregnancy and breastfeeding?

Lemongrass extract is not recommended during pregnancy as some studies suggest citral may have uterotonic properties that could stimulate uterine contractions. Women who are breastfeeding should also avoid lemongrass extract as insufficient safety data exists for nursing infants. Consult with a healthcare provider before using lemongrass extract if you are pregnant, planning to become pregnant, or breastfeeding.

### What is the most bioavailable form of lemongrass extract?

Standardized lemongrass extract with guaranteed citral content (typically 70–80%) offers superior bioavailability compared to whole herb powders or loose teas. Liquid or oil-based extracts may provide faster absorption due to their concentrated format, though standardized capsules or tablets ensure consistent dosing and reliable delivery of active compounds. The bioavailability of lemongrass extract is enhanced when taken with healthy fats, which facilitate absorption of its citral and flavonoid constituents.

### Can I get the same benefits from drinking lemongrass tea as from taking a concentrated extract?

Lemongrass tea provides beneficial compounds including citral and flavonoids, but in significantly lower concentrations than standardized extracts, requiring higher volumes to match therapeutic doses. Clinical studies demonstrating benefits for digestion, immunity, and blood sugar control typically use concentrated extracts rather than brewed tea, suggesting that concentrated forms are more effective for targeted health outcomes. For general wellness, tea is a safe option, but for therapeutic applications, a standardized extract will likely deliver more potent and measurable results.

## References

ScienceDirect article; Frontiers article

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