# Luohanguo (Siraitia grosvenorii)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/luohanguo
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** Traditional Chinese Medicine
**Also Known As:** Siraitia grosvenorii, Monk fruit, Buddha fruit, Luo han guo, Arhat fruit, Momordica grosvenorii, Longevity fruit

## Overview

Luohanguo (Siraitia grosvenorii) is a traditional Chinese medicinal fruit containing cucurbitane glycosides that demonstrate [antioxidant](/ingredients/condition/antioxidant) and hypoglycemic properties. The mogrosides in luohanguo appear to modulate [glucose metabolism](/ingredients/condition/weight-management) and provide respiratory tract benefits through [anti-inflammatory](/ingredients/condition/inflammation) mechanisms.

## Health Benefits

• May provide [antioxidant](/ingredients/condition/antioxidant) effects through cucurbitane glycosides (preliminary evidence from pharmacological reviews)
• Potential hypoglycemic properties noted in preclinical studies (human clinical trials lacking)
• Traditional anti-tussive (cough suppressant) effects reported in pharmacological literature (no human RCTs available)
• Possible [hepatoprotective](/ingredients/condition/detox) activity suggested by constituents (clinical evidence not established)
• [Antimicrobial](/ingredients/condition/immune-support) effects attributed to mogrosides in vitro (human studies needed for confirmation)

## Mechanism of Action

Luohanguo's cucurbitane glycosides, particularly mogrosides IV and V, demonstrate [antioxidant activity](/ingredients/condition/antioxidant) by scavenging free radicals and inhibiting lipid peroxidation. The hypoglycemic effects appear to involve enhanced glucose uptake and improved [insulin sensitivity](/ingredients/condition/weight-management) through AMPK pathway activation. Traditional anti-tussive effects may result from [anti-inflammatory](/ingredients/condition/inflammation) actions that reduce respiratory tract irritation.

## Clinical Summary

Current evidence for luohanguo primarily comes from preclinical pharmacological studies rather than human clinical trials. Animal studies have shown promising results for [blood glucose](/ingredients/condition/weight-management) regulation and [antioxidant activity](/ingredients/condition/antioxidant), but specific dosages and effect sizes in humans remain unestablished. Traditional use supports respiratory benefits, though controlled clinical trials are lacking. The evidence base remains preliminary and requires human validation studies.

## Nutritional Profile

Luohanguo (Siraitia grosvenorii) dried fruit contains primarily carbohydrates (~73-82% dry weight), with minimal protein (~7-8% dry weight) and negligible fat (<1% dry weight). Crude fiber content approximately 5-7% dry weight. The defining bioactive compounds are cucurbitane-type triterpene glycosides collectively called mogrosides, comprising approximately 1-3% of dried fruit weight: mogroside V (the most abundant, ~0.5-1.0% dry weight, responsible for ~250-300x sweetness relative to sucrose), mogroside IV (~0.1-0.3%), mogroside III (~0.05-0.1%), siamenoside I (trace amounts, ~600x sweeter than sucrose), and 11-oxo-mogroside V (trace). Vitamin C (ascorbic acid) present at approximately 400-500 mg/100g fresh fruit weight, though significantly reduced in dried/processed forms (~50-100 mg/100g dried). Manganese reported at ~1.5-2.0 mg/100g dried weight. Potassium approximately 1100-1300 mg/100g dried weight. Calcium approximately 30-50 mg/100g dried weight. Iron approximately 2-3 mg/100g dried weight. Flavonoids including kaempferol and quercetin glycosides present at trace levels (~0.01-0.05% dry weight). Polysaccharides (glucose- and fructose-based) account for approximately 15-25% dry weight. Bioavailability note: Mogroside V shows limited intestinal absorption in its intact form; gut microbiota metabolize mogrosides into smaller aglycone fragments (mogrol) which may be the primary absorbed species. Commercial mogroside V extracts are standardized to 25-80% mogroside V content. Caloric contribution is negligible in extract form due to non-metabolizable glycoside structure.

## Dosage & Preparation

No clinically studied dosage ranges are available as human trials are absent. Commercial extracts are standardized to 45-60% mogroside V content in purified products. FDA GRAS status affirms safety for use as a sweetener but does not specify therapeutic doses. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Luohanguo is generally recognized as safe for food use with minimal reported adverse effects. No significant drug interactions have been documented, though theoretical concerns exist regarding additive hypoglycemic effects with diabetes medications. Safety during pregnancy and lactation has not been established through clinical studies. Individuals with diabetes should monitor [blood glucose](/ingredients/condition/weight-management) when using luohanguo supplements.

## Scientific Research

The research dossier explicitly states that search results lack specific human clinical trials, RCTs, or meta-analyses with PubMed PMIDs for S. grosvenorii. While preclinical and pharmacological reviews note potential therapeutic effects from mogrosides, the sources emphasize the need for clinical studies to evaluate therapeutic effects, adverse effects, and toxicity in humans.

## Historical & Cultural Context

In Traditional Chinese Medicine, luohanguo fruit has been used for centuries as a remedy for cough, sore throat, constipation, and as a sweetener, with historical records dating back over 1,000 years in Chinese pharmacopeias. It is categorized as a cooling herb for lung and spleen meridians, promoting phlegm resolution and moistening lungs.

## Synergistic Combinations

Green tea extract, Ginger, Licorice root, Schisandra, Astragalus

## Frequently Asked Questions

### What are mogrosides in luohanguo?

Mogrosides are the primary bioactive cucurbitane glycosides in luohanguo, with mogrosides IV and V being the most abundant. These compounds provide the fruit's intense sweetness and are responsible for its antioxidant and potential metabolic benefits.

### How much luohanguo should I take daily?

No standardized dosage exists for luohanguo supplements due to limited human clinical trials. Traditional preparations typically use 10-15 grams of dried fruit, while modern extracts vary widely in mogroside concentration.

### Can luohanguo lower blood sugar levels?

Preclinical studies suggest luohanguo may have hypoglycemic effects through improved glucose uptake and insulin sensitivity. However, human clinical trials are needed to confirm these effects and establish safe dosing parameters.

### Is luohanguo safe for diabetics?

While luohanguo appears generally safe, diabetics should consult healthcare providers before use due to potential blood sugar lowering effects. Regular glucose monitoring is recommended when combining with diabetes medications to prevent hypoglycemia.

### What's the difference between luohanguo and monk fruit?

Luohanguo and monk fruit refer to the same plant (Siraitia grosvenorii). Monk fruit is the common English name, while luohanguo is the traditional Chinese name for this sweetening and medicinal fruit.

### Does luohanguo interact with diabetes medications or blood pressure drugs?

While luohanguo may have mild hypoglycemic properties in preclinical studies, human clinical data on drug interactions is limited. If you take diabetes medications, blood pressure regulators, or other chronic condition treatments, consult your healthcare provider before supplementing, as combined effects could theoretically increase hypoglycemic or hypotensive risk. No major adverse interactions have been documented in the available literature, but individual responses vary.

### What does the current clinical evidence show about luohanguo's effectiveness?

Most evidence for luohanguo comes from traditional use records and in vitro/animal studies showing antioxidant and potential blood sugar-lowering effects. Human randomized controlled trials are largely absent, meaning efficacy claims remain preliminary and not conclusively proven in clinical populations. The ingredient shows biochemical promise but requires rigorous human research to establish safety and effectiveness standards.

### Is luohanguo safe for pregnant women, children, or elderly individuals?

Luohanguo has a long history of traditional use in Chinese medicine and is generally recognized as safe for most populations, but specific safety data for pregnancy, pediatric, or geriatric groups is limited. Pregnant women should consult their healthcare provider before use due to lack of dedicated safety studies in this population. Elderly individuals with multiple medications should also seek professional guidance to rule out potential interactions or individual contraindications.

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