# Gynura (Gynura procumbens)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/gynura
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-24
**Evidence Score:** 2 / 10
**Category:** Vegetable
**Also Known As:** Gynura procumbens, Longevity spinach, Sabung nyawa, Sambung nyawa, Daun dewa, Bai bing cao, Mollucan spinach, Okinawan spinach

## Overview

Gynura procumbens is a tropical medicinal plant whose bioactive flavonoids — including quercetin, kaempferol, and chlorogenic acid — exert antidiabetic and wound-healing effects primarily through [antioxidant](/ingredients/condition/antioxidant) enzyme activation and growth factor upregulation. Its leaves inhibit alpha-glucosidase activity and modulate [inflammatory](/ingredients/condition/inflammation) cytokines, making it a candidate for [blood glucose](/ingredients/condition/weight-management) management and tissue repair support.

## Health Benefits

• Accelerates wound healing in diabetic conditions by upregulating growth factors (angiogenin, EGF, FGF, PDGF, TGF-β, VEGF) - based on preclinical mouse studies
• Demonstrates antidiabetic effects through [antioxidant activity](/ingredients/condition/antioxidant) and [blood glucose](/ingredients/condition/weight-management) reduction comparable to metformin in some animal models - preliminary evidence from 4 reviewed studies
• Promotes neovascularization and enhances migration/proliferation of endothelial cells, fibroblasts, and keratinocytes - shown in in vitro studies
• Exhibits [anti-inflammatory](/ingredients/condition/inflammation) effects via polyphenolic compounds, reducing monocyte adherence and vascular inflammation - preclinical evidence only
• Inhibits glucosidase enzyme activity for potential blood sugar management - based on in vitro mechanistic studies

## Mechanism of Action

Gynura procumbens flavonoids — particularly quercetin and kaempferol — inhibit alpha-glucosidase and alpha-amylase enzymes, slowing intestinal glucose absorption and reducing postprandial blood sugar spikes. Its polyphenols upregulate endogenous antioxidant enzymes (SOD, CAT, GPx), attenuating [oxidative stress](/ingredients/condition/antioxidant)-driven [insulin resistance](/ingredients/condition/weight-management). In wound-healing contexts, leaf extracts stimulate the upregulation of angiogenic and mitogenic growth factors — including VEGF, EGF, FGF, PDGF, TGF-β, and angiogenin — accelerating keratinocyte proliferation and neovascularization at wound sites.

## Clinical Summary

The majority of evidence supporting Gynura procumbens comes from in vitro cell studies and rodent models, with limited human clinical data available. In streptozotocin-induced diabetic mice, oral leaf extracts produced [blood glucose](/ingredients/condition/weight-management) reductions comparable to metformin at matched doses, alongside significant improvements in lipid profiles. A wound-healing mouse study demonstrated accelerated closure in diabetic wounds treated with Gynura extract, attributed to measurable upregulation of multiple growth factors versus untreated controls. Human clinical trials are sparse and underpowered; one small pilot study in Malaysia reported modest fasting blood glucose reduction in Type 2 diabetic patients, but sample sizes were insufficient to draw definitive conclusions.

## Nutritional Profile

Gynura procumbens leaves contain moderate moisture content (approximately 85-88% water). Macronutrients per 100g fresh weight: crude protein 2.1-3.5g, crude fiber 1.8-2.6g, crude fat 0.3-0.6g, carbohydrates approximately 4-6g. Ash content approximately 1.2-1.8g per 100g. Key micronutrients include calcium (180-220mg/100g dry weight), potassium (310-380mg/100g dry weight), magnesium (45-60mg/100g dry weight), iron (3.5-5.2mg/100g dry weight), and phosphorus (55-75mg/100g dry weight). Vitamin C content reported at 15-28mg/100g fresh weight; beta-carotene (provitamin A) present at approximately 1.8-3.2mg/100g. Primary bioactive compounds include flavonoids (quercetin, kaempferol, rutin) with total flavonoid content of 12-25mg quercetin equivalents per gram dry extract; chlorogenic acid and caffeic acid as dominant phenolic acids; total polyphenol content approximately 35-65mg gallic acid equivalents per gram dry extract. Saponins, sterols (beta-sitosterol, stigmasterol), and tannins also identified. Bioactive alkaloids present in trace amounts. Essential oil constituents include caryophyllene and germacrene D. Bioavailability notes: flavonoid absorption enhanced when consumed with dietary fat due to lipophilic nature of aglycone forms; polyphenols may be partially degraded by cooking, with steaming preserving more bioactives than boiling; quercetin glycosides show better aqueous solubility than aglycone forms, supporting moderate oral bioavailability. Data primarily derived from Malaysian and Thai cultivar analyses; regional variation in phytochemical concentrations is noted.

## Dosage & Preparation

No clinically studied human dosages are available. Preclinical studies used topical application up to 200 μg/mL of 95% ethanol leaf extract in diabetic mouse models, while oral antidiabetic animal studies tested 50-3000 mg of unstandardized extracts. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Gynura procumbens has been consumed as a food vegetable in Southeast Asia for generations and is generally considered low-risk at culinary doses, but concentrated supplemental extracts lack rigorous long-term human safety data. Due to its demonstrated [blood glucose](/ingredients/condition/weight-management)-lowering effects, concurrent use with antidiabetic medications such as metformin, sulfonylureas, or insulin may produce additive hypoglycemic effects requiring medical supervision. The plant contains pyrrolizidine alkaloid-like constituents in trace amounts in some species of the Gynura genus, raising theoretical hepatotoxicity concerns with chronic high-dose use, though Gynura procumbens specifically has not demonstrated significant liver toxicity in standard animal studies. Pregnant or breastfeeding individuals should avoid supplemental doses given the absence of safety data in these populations.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses have been conducted on Gynura procumbens; all evidence comes from preclinical animal and in vitro studies. Key research includes a mouse study using streptozotocin-induced diabetic models where topical application of up to 200 μg/mL extract showed wound healing benefits with no toxicity over 6 months, and an in vitro review of 4 studies demonstrating antidiabetic effects at doses of 50-3000 mg.

## Historical & Cultural Context

In Southeast Asian traditional medicine, G. procumbens has been used for various diseases including diabetes and wounds, prompting modern pharmacological validation efforts. While specific historical duration or traditional medicine systems are not detailed in available research, its ethnopharmacological use has inspired current scientific investigation.

## Synergistic Combinations

Green tea extract, Cinnamon bark, Alpha-lipoic acid, Chromium picolinate, Bitter melon

## Frequently Asked Questions

### Does Gynura procumbens lower blood sugar?

Preclinical animal studies show Gynura procumbens leaf extract reduces fasting blood glucose in diabetic rodent models, with some studies reporting effects comparable to metformin at equivalent doses. The mechanism involves alpha-glucosidase inhibition and antioxidant-mediated improvement in insulin sensitivity. Human evidence is limited to small pilot studies and is not yet sufficient to establish clinical dosing recommendations.

### What are the active compounds in Gynura procumbens?

The primary bioactive compounds identified in Gynura procumbens leaves include the flavonoids quercetin, kaempferol, and myricetin, along with phenolic acids such as chlorogenic acid and caffeic acid. These compounds collectively contribute to its antioxidant, anti-inflammatory, and alpha-glucosidase inhibitory activities. Trace amounts of sterols and terpenoids have also been isolated and may contribute to its lipid-lowering effects observed in animal studies.

### Can Gynura procumbens help with wound healing?

In a preclinical mouse study using a diabetic wound model, topical or systemic Gynura procumbens extract significantly upregulated six key wound-healing growth factors — angiogenin, EGF, FGF, PDGF, TGF-β, and VEGF — compared to untreated diabetic controls. This growth factor upregulation is associated with faster keratinocyte migration, collagen deposition, and neovascularization. No human clinical trials have yet validated these wound-healing effects in diabetic patients.

### Is Gynura procumbens safe to take with diabetes medication?

Gynura procumbens has demonstrated additive blood glucose-lowering effects in animal models, meaning it could theoretically intensify the action of antidiabetic drugs including metformin, sulfonylureas, and insulin, increasing hypoglycemia risk. Anyone using prescription diabetes medications should consult a physician before adding Gynura supplements to their regimen. Regular blood glucose monitoring is advisable if combined use is undertaken under medical guidance.

### How is Gynura procumbens typically consumed or dosed?

In traditional Southeast Asian practice, Gynura procumbens leaves are consumed raw in salads or as a cooked vegetable, typically at culinary amounts of 5–20 grams of fresh leaf per serving. Standardized supplement extracts used in animal studies typically range from 200–500 mg/kg body weight, but no clinically validated human dosage has been established. Supplement products vary widely in extract concentration and standardization, so dose equivalency between products is difficult to determine without standardization to specific flavonoid content.

### What does clinical research show about Gynura procumbens for diabetes management?

Preliminary evidence from animal studies suggests Gynura procumbens may reduce blood glucose levels through antioxidant mechanisms comparable to metformin in some models, though human clinical trials remain limited. Current research is primarily based on preclinical mouse studies and in vitro assessments, meaning more rigorous human trials are needed to confirm efficacy and establish therapeutic dosing. The ingredient shows promise for diabetic wound healing specifically through upregulation of growth factors, but clinical translation to humans is still ongoing.

### Who should avoid Gynura procumbens or use it with caution?

Individuals taking antidiabetic medications should exercise caution and consult healthcare providers, as Gynura procumbens may potentiate blood sugar-lowering effects and increase hypoglycemia risk. Pregnant and nursing women should avoid supplementation due to insufficient safety data in these populations. Those with bleeding disorders or taking anticoagulants should also seek medical guidance before use, as some plant compounds may affect clotting.

### What are the different forms of Gynura procumbens available, and which is most effective?

Gynura procumbens is available as dried leaf powder, standardized extracts, and fresh plant preparations, with most research utilizing concentrated extracts or dried leaf forms. Standardized extracts may offer more consistent active compound concentration compared to whole plant material, though direct comparative efficacy studies in humans are limited. The optimal form and potency remain unclear without robust clinical trials, making standardization and sourcing verification important considerations for supplement quality.

---

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