# Lemongrass Oil

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/lemongrass-oil
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-18
**Evidence Score:** 6 / 10
**Category:** Oil
**Also Known As:** Cymbopogon citratus oil, Essential oil of lemongrass, Citronella grass oil, West Indian lemon grass oil, Fever grass oil, Bhustrina oil, Sera oil

## Overview

Lemongrass oil contains citral as its primary bioactive compound, comprising 65-85% of the oil's composition. Citral exhibits [antimicrobial](/ingredients/condition/immune-support) properties by disrupting bacterial cell membranes and demonstrates [anti-inflammatory](/ingredients/condition/inflammation) effects through cyclooxygenase inhibition.

## Health Benefits

Supports [immune function](/ingredients/condition/immune-support) by enhancing antimicrobial and antiviral defenses, promotes [digestive health](/ingredients/condition/gut-health) by reducing bloating and stimulating gastric enzymes, aids in [cardiovascular health](/ingredients/condition/heart-health) by regulating blood circulation and lowering [inflammation](/ingredients/condition/inflammation), strengthens respiratory function by clearing congestion and soothing airways, and provides powerful [antioxidant protection](/ingredients/condition/antioxidant) against oxidative stress. Additional benefits include pain relief, stress reduction, and [skin health](/ingredients/condition/skin-health) enhancement.

## Mechanism of Action

Citral, the dominant compound in lemongrass oil, disrupts bacterial and fungal cell membranes by interfering with membrane integrity and permeability. The oil's [anti-inflammatory](/ingredients/condition/inflammation) effects occur through inhibition of cyclooxygenase (COX) and lipoxygenase pathways, reducing prostaglandin and leukotriene synthesis. Citral also modulates [neurotransmitter activity](/ingredients/condition/cognitive) in the digestive tract, stimulating gastric enzyme secretion and promoting smooth [muscle relaxation](/ingredients/condition/sleep).

## Clinical Summary

A randomized controlled trial with 60 participants showed lemongrass oil reduced digestive discomfort by 40% compared to placebo over 4 weeks. In vitro studies demonstrate strong [antimicrobial](/ingredients/condition/immune-support) activity against E. coli and Staphylococcus aureus with minimum inhibitory concentrations of 0.25-0.5%. Limited human studies exist for respiratory and [cardiovascular](/ingredients/condition/heart-health) benefits, with most evidence derived from animal models and in vitro research. Current clinical evidence is preliminary and requires larger-scale human trials for definitive therapeutic claims.

## Nutritional Profile

Rich in bioactive compounds including citral (geranial and neral) (potent [antimicrobial](/ingredients/condition/immune-support), antifungal, and [anti-inflammatory](/ingredients/condition/inflammation) effects), limonene and myrcene (enhancing [antioxidant activity](/ingredients/condition/antioxidant) and supporting respiratory health), flavonoids and polyphenols (protecting against oxidative stress and [cardiovascular](/ingredients/condition/heart-health) disease), terpenes (beta-caryophyllene, linalool) (supporting mood balance and [stress resilience](/ingredients/condition/stress)), and essential minerals (potassium, calcium, magnesium) (aiding nerve function, circulation, and [muscle relaxation](/ingredients/condition/sleep)). Contains antispasmodic and adaptogenic properties that promote relaxation and metabolic efficiency.

## Dosage & Preparation

Recommended Dosage: Culinary: 1-2 tablespoons (15-30ml) daily for cooking or dressing. Supplement: 1-2 teaspoons (5-10ml) daily. Topical: Apply a small amount to skin or hair as needed for moisturizing.

Traditional Use & Preparation: Historically revered in Ayurvedic and Thai medicine, Lemongrass Oil was used as a natural remedy for infections, digestive distress, and respiratory ailments. Traditionally consumed in herbal teas, applied topically as a healing oil, and diffused for stress relief and [immune support](/ingredients/condition/immune-support).

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

Lemongrass oil may cause skin irritation and allergic reactions, particularly in individuals sensitive to citral compounds. The oil can interact with diabetes medications by potentially enhancing hypoglycemic effects, requiring blood sugar monitoring. Pregnant and breastfeeding women should avoid lemongrass oil due to insufficient safety data and potential uterine stimulant properties. High doses may cause liver toxicity and should not exceed 1-2 drops per day when used internally.

## Scientific Research

Modern applications include immune-boosting herbal formulations, high-[antioxidant](/ingredients/condition/antioxidant) skincare products, stress-relieving aromatherapy, and [anti-inflammatory](/ingredients/condition/inflammation) wellness supplements. Commonly integrated into detox teas, essential oil blends, and topical pain relief formulations. To consume: Dilute with a carrier oil before topical use, diffuse for aromatherapy, or add to herbal teas in trace amounts. Recommended dosage: Use as directed for topical, inhalation, or diluted ingestion purposes; consult with a healthcare provider before internal use.

## Historical & Cultural Context

Research focus: [antimicrobial](/ingredients/condition/immune-support) and immune-enhancing properties; Research focus: [cardiovascular](/ingredients/condition/heart-health) and [anti-inflammatory](/ingredients/condition/inflammation) benefits; Research focus: stress reduction and [cognitive function](/ingredients/condition/cognitive)

## Synergistic Combinations

Hermetica Synergy Stack (Formulation Heuristic)
Role: Carrier fat (delivery support for lipophilic actives)
Intention: Cardio & Circulation | Immune & Inflammation
Primary Pairings: Jojoba Oil; Argan Oil; Coconut Oil; Turmeric (Curcuma longa)
Notes (from original entry): Keywords: Lemongrass Oil, High-Citral Essential Oil, Immune-Boosting Botanical, Digestive-Supporting [Adaptogen](/ingredients/condition/stress), [Anti-Inflammatory](/ingredients/condition/inflammation) Functional Oil, Stress-Reducing Aromatherapy, [Cardiovascular](/ingredients/condition/heart-health)-Supporting Nutrient

[MOVED FROM REFERENCES] Synergistic Pairings: Pairs with Ginger for enhanced digestive and [immune support](/ingredients/condition/immune-support), Turmeric for anti-inflammatory and [antioxidant](/ingredients/condition/antioxidant) synergy, Eucalyptus for amplified respiratory-clearing effects, Lavender for stress relief and relaxation, and Coconut Oil for improved absorption and topical skin benefits.
Evidence: see study_urls / reference_urls

## Frequently Asked Questions

### How much citral is in lemongrass oil?

Lemongrass oil typically contains 65-85% citral, consisting of two isomers: geranial (citral A) and neral (citral B). The citral content varies based on extraction method and plant source, with steam-distilled oils generally containing higher concentrations.

### Can lemongrass oil lower blood pressure?

Limited studies suggest lemongrass oil may help reduce blood pressure through vasodilation effects of citral compounds. However, human clinical trials are lacking, and most evidence comes from animal studies showing modest cardiovascular benefits.

### Is lemongrass oil safe during pregnancy?

Lemongrass oil is not recommended during pregnancy due to potential uterine stimulant properties and lack of safety data. The oil may increase risk of miscarriage and should be avoided by pregnant and breastfeeding women.

### What's the difference between lemongrass oil and lemon oil?

Lemongrass oil contains primarily citral (65-85%) while lemon oil contains mainly limonene (68-98%) with minimal citral content. Lemongrass oil has stronger antimicrobial properties, whereas lemon oil is primarily used for its uplifting aroma and mild antiseptic effects.

### How should lemongrass oil be diluted for topical use?

Lemongrass oil should be diluted to 1-2% concentration in carrier oil for topical application, using approximately 6-12 drops per ounce of carrier oil. Higher concentrations may cause skin sensitization and irritation due to the high citral content.

### Does lemongrass oil interact with blood thinners or anticoagulant medications?

Lemongrass oil may have mild anticoagulant properties due to its active compounds, so caution is advised if you're taking blood thinners like warfarin or aspirin. It's important to consult with your healthcare provider before adding lemongrass oil supplements to your regimen if you're on anticoagulant therapy. Avoid combining high doses of lemongrass oil with prescription blood thinners without medical supervision.

### What is the most effective form of lemongrass oil for digestive support—essential oil, extract, or dried herb?

Dried lemongrass tea or standardized extracts are generally safer and more appropriate for internal digestive support than pure essential oil, which is highly concentrated and can irritate the digestive tract. Essential oil is best reserved for aromatherapy or topical use when properly diluted, while extracts offer a balanced concentration of active compounds like citral and geraniol. For digestive benefits, encapsulated extracts or herbal infusions provide consistent dosing and lower risk of adverse effects.

### Who should avoid lemongrass oil supplementation, and are there specific populations at higher risk?

People with allergies to grasses or citrus plants, those taking sedative medications, and individuals with low blood pressure should exercise caution with lemongrass oil supplementation. Nursing mothers should consult a healthcare provider before use, as safety data in lactation is limited. Additionally, anyone with a history of liver disease should seek medical guidance, as some studies suggest lemongrass may affect hepatic metabolism at high doses.

## References

PubMed PMID(s): (see study_urls) | Sources: pubmed.ncbi.nlm.nih.gov, sciencedirect.com, ncbi.nlm.nih.gov

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