# Shigru (Moringa oleifera)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/shigru
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 8 / 10
**Category:** Ayurveda
**Also Known As:** Moringa oleifera, Drumstick tree, Horseradish tree, Ben oil tree, Miracle tree, Malunggay, Sahjan, Mother's best friend

## Overview

Moringa oleifera contains isothiocyanates and quercetin that improve [glucose metabolism](/ingredients/condition/weight-management) and reduce [inflammatory](/ingredients/condition/inflammation) markers. Clinical studies show significant reductions in fasting blood glucose and HbA1c levels in diabetic patients.

## Health Benefits

• Blood sugar management: Clinical trials showed reductions in fasting [blood glucose](/ingredients/condition/weight-management) (-5.6 mg/dL) and HbA1c (-0.3%, p<0.05) based on a 2026 review of 22 trials
• [Anti-inflammatory](/ingredients/condition/inflammation) effects: Studies demonstrated decreased inflammatory markers including TNF-α, IL-6, and CRP in metabolic trials
• Respiratory health: One RCT using 3g seed powder twice daily for 3 weeks improved symptoms and respiratory function in bronchial asthma patients
• [Immune support](/ingredients/condition/immune-support) in HIV: Combined with Artemisia annua, increased CD4+ counts and decreased viral load versus controls in clinical studies
• Metabolic syndrome support: Multiple RCTs showed benefits for [blood pressure](/ingredients/condition/heart-health), lipid profiles, and metabolic parameters, though systematic reviews note need for larger trials

## Mechanism of Action

Moringa's isothiocyanates enhance [insulin sensitivity](/ingredients/condition/weight-management) by activating AMPK pathways and inhibiting α-glucosidase enzyme activity. Quercetin and kaempferol compounds suppress [pro-inflammatory cytokine](/ingredients/condition/inflammation)s TNF-α and IL-6 through NF-κB pathway modulation. The leaf extract also demonstrates [antioxidant activity](/ingredients/condition/antioxidant) via Nrf2 activation, protecting pancreatic β-cells from oxidative damage.

## Clinical Summary

A 2026 systematic review of 22 clinical trials demonstrated significant glucose-lowering effects with fasting [blood glucose](/ingredients/condition/weight-management) reductions of 5.6 mg/dL and HbA1c decreases of 0.3% (p<0.05). Multiple metabolic studies have shown decreased [inflammatory](/ingredients/condition/inflammation) markers including TNF-α, IL-6, and CRP levels. Most trials used standardized leaf extracts at doses ranging from 500-2000mg daily over 8-12 week periods. Evidence quality is moderate due to varying study designs and sample sizes typically under 100 participants.

## Nutritional Profile

Moringa oleifera leaves (per 100g dry weight) provide approximately 25-30g protein containing all essential amino acids, with particularly high levels of leucine (~1.5g), isoleucine (~0.8g), and lysine (~1.3g). Carbohydrates constitute ~40g with ~20g dietary fiber. Fat content is low at ~5-7g, predominantly oleic acid (omega-9). Key micronutrients include calcium (1,700-2,200mg, ~2.5x that of milk), iron (25-28mg, bioavailability enhanced by accompanying vitamin C), potassium (1,300-1,500mg), magnesium (365-380mg), zinc (2.5-3mg), and phosphorus (200-250mg). Vitamins are abundant: vitamin A as beta-carotene (6,780-7,000 mcg RAE), vitamin C (220-280mg, though degrades with heat), vitamin E as alpha-tocopherol (113mg), vitamin K1 (~200mcg), and B-vitamins including riboflavin (20mg), B6 (2.6mg), and folate (40mcg). Primary bioactive compounds include isothiocyanates (notably moringin/4-[(α-L-rhamnosyloxy)benzyl] isothiocyanate, ~104mg/100g fresh leaves), quercetin-3-glucoside (~0.8-1.2g/100g dry), kaempferol glycosides, chlorogenic acids (~200-400mg/100g), and niazimicin. Seed pods contain ~38-42% oleic acid-rich oil. Bioavailability note: glucosinolate conversion to active isothiocyanates requires myrosinase activity and is reduced by excessive heat processing; consuming with raw plant material or mild preparation preserves efficacy. Iron bioavailability (~10-15%) is lower than heme sources but improved by co-consumption with vitamin C-rich foods.

## Dosage & Preparation

Clinically studied doses include 3g dried seed powder twice daily (6g/day total) for bronchial asthma. Powdered whole leaf preparations were used in 5 anti-hyperglycemic studies, though exact doses were not specified. No standardization for active compound percentages is consistently reported across studies. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Moringa is generally well-tolerated with mild gastrointestinal upset reported in some users at higher doses above 2000mg daily. The herb may enhance hypoglycemic effects of diabetes medications including metformin and insulin, requiring blood sugar monitoring. Moringa contains compounds that may affect [thyroid function](/ingredients/condition/hormonal) and should be used cautiously with levothyroxine. Pregnancy and breastfeeding safety data is insufficient, though traditional use suggests avoiding root extracts during pregnancy.

## Scientific Research

A 2026 narrative review analyzed 22 clinical trials and 9 case reports (2015-2025), while a 2023 review noted 25 clinical studies (15 completed) examining malnutrition, chronic kidney disease, HIV, reproductive health, and respiratory conditions. Key PMIDs include 38015048 (metabolic syndrome review), 37229639 (diabetes RCT), and 40149610 (chronic diseases), though systematic reviews highlight variable study quality and the need for larger, standardized RCTs.

## Historical & Cultural Context

Known as Shigru in Ayurveda, Moringa oleifera has been used for millennia in Indian traditional medicine for nutritional support, [inflammation](/ingredients/condition/inflammation), diabetes, asthma, and hypertension. The plant has global ethnomedicinal applications, particularly for malnutrition and reproductive health across tropical regions.

## Synergistic Combinations

Artemisia annua, Cinnamon, Gymnema sylvestre, Alpha-lipoic acid, Chromium

## Frequently Asked Questions

### How much moringa should I take for blood sugar control?

Clinical studies showing glucose benefits used 500-1000mg of standardized leaf extract twice daily. Most trials demonstrated optimal effects at 1000-2000mg total daily dose taken with meals over 8-12 weeks.

### Can moringa interact with diabetes medications?

Yes, moringa can enhance blood sugar-lowering effects of metformin, insulin, and other diabetes drugs. Monitor blood glucose closely and consult your doctor before combining, as dosage adjustments may be necessary.

### What compounds in moringa provide the health benefits?

The primary active compounds are isothiocyanates (particularly 4-[(α-L-rhamnosyloxy)benzyl]isothiocyanate), quercetin, and kaempferol. These compounds work through AMPK activation, enzyme inhibition, and anti-inflammatory pathways.

### How long does it take to see results from moringa supplements?

Blood sugar improvements typically appear within 4-6 weeks of consistent use at therapeutic doses. Inflammatory marker reductions may be observed within 8 weeks, though optimal benefits usually require 12 weeks of supplementation.

### Is moringa leaf powder as effective as extracts?

Standardized extracts show more consistent clinical results due to concentrated active compounds. Whole leaf powder requires higher doses (3-5g daily) compared to extracts (1-2g daily) to achieve similar therapeutic effects.

### Is moringa safe to take during pregnancy and breastfeeding?

While moringa is nutrient-dense, traditional use during pregnancy exists in some cultures, but clinical safety data in pregnant women is limited. It's advisable to consult a healthcare provider before use during pregnancy or breastfeeding, as some compounds may affect hormone levels or pass into breast milk in unknown concentrations.

### What is the difference between moringa leaf powder and moringa seed powder?

Moringa leaf powder is rich in vitamins, minerals, and polyphenols and is commonly used for general nutrition and blood sugar support, while moringa seed powder has been studied specifically for respiratory health and may have different phytochemical profiles. Leaf powder tends to have higher antioxidant content, whereas seeds contain compounds beneficial for respiratory function; choosing between them depends on your primary health goal.

### Does moringa interact with blood pressure or cholesterol medications?

Moringa has mild blood pressure-lowering and lipid-modulating properties that could theoretically potentiate antihypertensive or statin medications, warranting caution with concurrent use. Anyone taking cardiovascular medications should inform their healthcare provider before adding moringa supplements to monitor for additive effects.

---

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