# Moon Bean (Vigna radiata)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/moon-bean
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-05
**Evidence Score:** 2 / 10
**Category:** Legume
**Also Known As:** Vigna radiata, mung bean, green gram, golden gram, moong bean, moong dal, green bean, celera bean, chickasaw pea, Oregon pea, mungo bean

## Overview

Mung bean (Vigna radiata) is a legume rich in bioactive flavonoids, particularly vitexin and isovitexin, which drive its antioxidant and anti-inflammatory properties. These compounds scavenge [free radical](/ingredients/condition/antioxidant)s and modulate [inflammatory pathway](/ingredients/condition/inflammation)s, supporting metabolic and [cardiovascular health](/ingredients/condition/heart-health).

## Health Benefits

• [Antioxidant protection](/ingredients/condition/antioxidant): Vitexin demonstrates ~60% DPPH radical inhibition at 100 μg/ml in vitro studies
• [Anti-inflammatory](/ingredients/condition/inflammation) effects: Phenolic compounds and flavonoids show anti-inflammatory activity in preclinical models
• Blood sugar regulation: Demonstrated antidiabetic properties through lipid regulation in animal studies
• [Cardiovascular](/ingredients/condition/heart-health) support: Exhibits antihypertensive effects in rodent models
• [Skin health](/ingredients/condition/skin-health): Prevents UV-induced skin damage via vitexin in cell studies

## Mechanism of Action

Vitexin and isovitexin in mung bean inhibit NF-κB signaling, reducing downstream expression of [pro-inflammatory cytokine](/ingredients/condition/inflammation)s such as TNF-α and IL-6. These flavonoids also act as α-glucosidase and α-amylase inhibitors, slowing carbohydrate [digestion](/ingredients/condition/gut-health) and blunting postprandial glucose spikes. Additionally, mung bean phenolic compounds chelate transition metal ions and donate hydrogen atoms to neutralize [reactive oxygen species](/ingredients/condition/antioxidant), explaining the ~60% DPPH radical inhibition observed at 100 μg/ml in vitro.

## Clinical Summary

Most evidence for mung bean's benefits derives from in vitro cell studies and rodent models rather than large randomized controlled trials in humans, limiting direct clinical extrapolation. Preclinical studies demonstrate antidiabetic effects through lipid profile improvement and α-glucosidase inhibition, with animal models showing reduced fasting glucose and improved [insulin sensitivity](/ingredients/condition/weight-management). A small number of human observational studies associate regular legume consumption, including mung beans, with lower markers of systemic [inflammation](/ingredients/condition/inflammation) and improved glycemic control. Robust, large-scale human RCTs specifically isolating mung bean extracts at defined dosages remain limited, and current evidence should be considered preliminary.

## Nutritional Profile

Mung beans (Vigna radiata) per 100g dry weight: Protein 23-28g (containing essential amino acids including leucine ~1.8g, lysine ~1.6g, arginine ~1.7g; bioavailability improved 20-30% upon sprouting due to reduction of antinutritional factors); Total carbohydrates 55-62g (starch 35-45g, resistant starch ~4-5g); Dietary fiber 14-16g (soluble fiber ~3-4g including pectin, insoluble fiber ~11-12g); Fat 1.0-1.5g (predominantly polyunsaturated fatty acids). Key micronutrients: Folate 625-790 μg (157-198% DV); Iron 6.7-7.5 mg (bioavailability limited by phytate content, estimated 5-8% absorption; enhanced by ascorbic acid co-consumption); Magnesium 170-190 mg; Potassium 1246-1350 mg; Zinc 2.7-3.5 mg (absorption ~15-20% due to phytate binding); Manganese 1.0-1.3 mg; Phosphorus 367-400 mg; Calcium 132-150 mg (bioavailability ~20-25%); Copper 0.9-1.0 mg; Thiamine (B1) 0.62 mg; Riboflavin (B2) 0.23 mg; Niacin (B3) 2.3 mg; Vitamin C trace amounts in raw form (~1-4 mg), increasing to 10-15 mg per 100g upon sprouting (48-72 hours). Bioactive compounds: Vitexin (C-glycosyl flavone) 0.1-1.5 mg/g dry weight (primary flavonoid, demonstrated ~60% DPPH radical inhibition at 100 μg/ml); Isovitexin 0.05-0.8 mg/g; Quercetin 0.02-0.15 mg/g; Kaempferol glycosides 0.01-0.1 mg/g; Total polyphenols 2.1-4.5 mg GAE/g dry weight; Total flavonoids 1.2-2.8 mg/g; Phenolic acids including p-coumaric acid, ferulic acid, and caffeic acid collectively ~0.5-1.2 mg/g; Phytosterols ~160-200 mg/100g (beta-sitosterol predominant at ~100-130 mg); Oligosaccharides (raffinose, stachyose) 1.0-3.0g/100g (reduced ~50-70% by soaking and cooking); Phytate content 2.0-9.7 mg/g (significantly reduced by soaking 8-12 hours, germination, or fermentation, improving mineral bioavailability by up to 40%); Trypsin inhibitors present in raw form but inactivated >85% by standard cooking. Sprouted mung beans show elevated bioavailability of most nutrients due to enzymatic hydrolysis of phytates and tannins, with GABA (gamma-aminobutyric acid) increasing to 15-30 mg/100g fresh weight during germination.

## Dosage & Preparation

No clinically studied dosage ranges are available from human trials. In vitro studies reference concentrations like 100 μg/ml vitexin for [antioxidant](/ingredients/condition/antioxidant) effects, but no standardized dosing for clinical use has been established. Sprouted forms show enhanced bioavailability through reduced antinutrients. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Mung beans are generally well tolerated when consumed as whole food, but high intake may cause gas, bloating, or digestive discomfort due to oligosaccharides such as raffinose and stachyose. Individuals taking antidiabetic medications (e.g., metformin, insulin) should use mung bean extracts cautiously, as additive blood-glucose-lowering effects may increase hypoglycemia risk. Those on anticoagulant therapy such as warfarin should note that mung beans contain vitamin K, which can influence INR stability. Mung bean consumption during pregnancy is considered safe at culinary doses; concentrated supplemental extracts lack adequate human pregnancy safety data and should be avoided without medical guidance.

## Scientific Research

Current evidence for mung bean is limited to in vitro and animal studies, with no human clinical trials, RCTs, or meta-analyses identified in the available research. Preclinical studies demonstrate [antioxidant](/ingredients/condition/antioxidant), [anti-inflammatory](/ingredients/condition/inflammation), antidiabetic, antihypertensive, and antitumor properties from components like vitexin, isovitexin, and phenolic compounds.

## Historical & Cultural Context

Mung bean has been used for millennia in East, Southeast, and South Asian traditional medicine systems including Ayurveda and Traditional Chinese Medicine as a nutrient-dense food for [digestion](/ingredients/condition/gut-health), cooling the body, and treating heat-related conditions. It is valued for high protein content (20-32%), vitamins, and minerals in dietary contexts.

## Synergistic Combinations

Turmeric, Green Tea Extract, Vitamin C, Zinc, [Probiotic](/ingredients/condition/gut-health)s

## Frequently Asked Questions

### What is vitexin in mung beans and what does it do?

Vitexin is a C-glycosyl flavone found in mung bean seed coats that scavenges free radicals with approximately 60% DPPH inhibition at 100 μg/ml in laboratory studies. It also suppresses NF-κB-mediated inflammatory signaling, reducing cytokines like TNF-α and IL-6 in preclinical models, making it the primary driver of mung bean's antioxidant and anti-inflammatory reputation.

### Can mung beans help lower blood sugar levels?

Mung bean extracts inhibit the digestive enzymes α-glucosidase and α-amylase, slowing glucose absorption from the gut and reducing postprandial blood sugar spikes. Animal studies show improved fasting glucose and lipid profiles, but large-scale human RCTs are lacking, so mung beans should complement—not replace—standard antidiabetic treatment.

### How much mung bean should I take as a supplement?

No standardized clinical dosage has been established for mung bean extract supplements, as most evidence comes from preclinical studies. Whole mung beans are commonly consumed at 100–200 g per cooked serving in traditional diets without adverse effects. If using a concentrated extract, following the manufacturer's recommended dose and consulting a healthcare provider is advisable, especially if managing diabetes or taking medications.

### Are mung beans safe to eat every day?

Daily consumption of mung beans as a whole food is considered safe for most healthy adults and is a dietary staple in South and Southeast Asian populations. Frequent intake may cause flatulence or bloating due to fermentable oligosaccharides in the gut, which can be reduced by soaking and thoroughly cooking the beans. People with legume allergies or irritable bowel syndrome following a low-FODMAP diet should moderate intake accordingly.

### Do mung beans interact with any medications?

Mung beans contain vitamin K, which can reduce the anticoagulant effect of warfarin and shift INR values, requiring consistent intake monitoring by patients on blood thinners. Their α-glucosidase-inhibiting flavonoids may potentiate blood-glucose-lowering drugs like metformin or insulin, raising hypoglycemia risk if doses are not adjusted. Always inform your prescribing physician if adding mung bean extracts to your regimen alongside any prescription medication.

### What foods contain moon bean (mung bean) and how much would I need to eat to get health benefits?

Mung beans are available as whole dried beans, sprouted beans, flour, and in some Asian cuisines as a staple legume. A typical serving of cooked mung beans (about 1 cup) provides approximately 14 grams of protein and significant amounts of polyphenols and flavonoids associated with the antioxidant benefits observed in research. To achieve the antioxidant and anti-inflammatory effects documented in studies, dietary consumption of mung beans several times per week combined with a balanced diet may be sufficient for most people.

### Is mung bean supplementation safe for pregnant women and nursing mothers?

While mung beans are a whole food consumed safely during pregnancy in many cultures, specific safety data on concentrated mung bean supplements during pregnancy and lactation is limited. Pregnant and nursing women should consult their healthcare provider before taking mung bean supplements to ensure they do not interact with prenatal vitamins or medications. Whole mung beans as a food source are generally considered safe during these periods when consumed as part of a normal diet.

### How does the research quality and clinical evidence for mung beans compare to other legume-based supplements?

Most mung bean research on antioxidant activity (including vitexin's ~60% DPPH radical inhibition) and anti-inflammatory effects comes from in vitro and animal studies, with fewer human clinical trials compared to some other legume ingredients. The antidiabetic and antihypertensive effects shown in rodent models require further validation through large-scale human studies to establish clinical efficacy. While the preliminary evidence is promising, mung beans are best viewed as a nutrient-dense food rather than a standalone therapeutic supplement until more robust human data becomes available.

---

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