Enicostemma littorale
Enicostemma littorale Blume
Last reviewed by the Diabec Clinical Review Team.
Also known as: Mamejava, Naahi, Vellarugu, Chhota Chirayata, Indian Gentian
Key Facts: Enicostemma Littorale
- Scientific name: Enicostemma littorale Blume
- Common names: Naahi, Mamejava, Chhota Chirayata
- Plant family: Gentianaceae
- Origin: India, Sri Lanka, and Africa
- Key compounds: Swertiamarin, Gentiopicroside, Gentianine, Swertisin
- Parts used: Whole plant (aerial parts)
- Published studies: 40+ peer-reviewed papers
- Diabec dosage: 100 mg standardised extract (10:1 ratio) per capsule
Quick answer: what is Enicostemma littorale?
Enicostemma littorale (also called Mamejava or Chhota Chirayata) is a bitter botanical native to western India, used for centuries in Bhil and Garasia tribal medicine. Researchers at M.S. University of Baroda have studied its main compound swertiamarin in preclinical models of glucose metabolism (Patel et al. 2013, PMID 23840254). It is one of six botanicals in the Diabec food supplement.
The Hidden Gem of Diabec
Known as Mamejava in Ayurveda, Enicostemma littorale is the hidden gem of the Diabec formula. While it may not have the fame of Gymnema or Bitter Melon, tribal healers across Gujarat and Rajasthan have relied on this bitter herb for generations. In the Bhil and Garasia tribal communities of western India, a decoction of the whole plant was the first remedy given to anyone showing signs of Madhumeha.
The plant grows wild in wasteland and marshy areas - the tribes believed that a plant tough enough to thrive in harsh conditions must carry unusual healing strength. Modern studies have begun to explore the mechanisms behind these traditional uses, identifying bioactive compounds including swertiamarin, gentiopicroside, flavonoids, catechins, saponins, and triterpenoids.
In the Bhil and Garasia tribal medicine of Gujarat and Rajasthan, Mamejava decoction was traditionally given to patients showing signs of Madhumeha - the Ayurvedic name for sugar disease. The plant's intense bitterness was considered a sign of its therapeutic potency.
- Traditional use, Bhil and Garasia tribal medicine, western India (oral tradition)For generations, Bhil and Garasia tribal healers would prepare a simple decoction by boiling the entire aerial portion of the plant in water. This bitter preparation was given to patients first thing in the morning on an empty stomach. These preparation methods were handed down orally from healer to apprentice over centuries, forming a tribal tradition that predates written medical texts in the region.
Today, dozens of published scientific studies have investigated the plant's bitter-tasting compounds (swertiamarin and gentiopicroside) across a range of preclinical models. The summaries on this page are research notes about the isolated compounds, not product efficacy claims for Diabec. What began as tribal folk medicine has become a researched botanical with a growing body of preclinical evidence.
A Bitter Botanical of Western India
Enicostemma littorale is a small, perennial herb belonging to the Gentianaceae (Gentian) family. It is native to the Indian subcontinent, Sri Lanka, and parts of tropical Africa. The plant typically grows 15-30 cm tall in wasteland, marshy areas, and along riverbanks, growing in conditions where many other plants cannot survive.
The whole plant, particularly its aerial parts (stems and leaves), has been used in traditional medicine systems across western India. It produces small white flowers and has narrow, opposite leaves with a distinctly bitter taste - a hallmark of the Gentian family that signals the presence of bioactive iridoid glycosides.
Research in animal models suggests that E. littorale extract may interact with glucose-handling pathways and influence lipid profile parameters at a dose of 0.5 g/kg.
- Vishwakarma, S.L. et al., L.M. College of Pharmacy, Ahmedabad - Indian Journal of Experimental Biology, 2010 (PMID: 20358863)Key Active Compounds
The bioactive properties of Enicostemma are attributed to a diverse group of bioactive compounds:
What Researchers Have Studied
Swertiamarin is the primary bioactive compound in Enicostemma and has been examined in preclinical research on glucose metabolism (Patel et al. 2013, PMID 23840254; research note on the isolated compound in an animal model). Research findings on isolated compounds are not product efficacy claims; Diabec is a food supplement, not a medicine.
Standardisation
Quality Enicostemma extracts are standardised for swertiamarin content to ensure consistent potency across batches. This standardisation is critical for reliable activity in both research settings and supplement formulation, so each serving delivers a predictable level of bioactive compounds.
Traditional Preparations
In tribal medicine, Enicostemma has been used as a whole-plant decoction (kashaya), dried powder mixed with water, fresh juice of the aerial parts, and as part of multi-herb formulations. The Bhil tribes traditionally prepared it by boiling the entire plant in water and consuming the bitter liquid on an empty stomach.
The Compounds Researchers Have Studied
Published research has explored several pathways through which Enicostemma littorale's bioactive compounds may interact with glucose-handling systems in laboratory and animal models.
In a six-week animal study, aqueous Enicostemma littorale extract (2 g/kg) was associated with changes in glucose levels, insulin sensitivity markers, and lipid profile in the experimental rat model. These are preclinical observations, not human clinical outcomes.
- Murali, B. et al., L.M. College of Pharmacy, Ahmedabad - Journal of Ethnopharmacology, 2002 (PMID: 12065151)The summaries below are research notes on the isolated compound swertiamarin in preclinical (cell or animal) models. They are not product efficacy claims for Diabec, which is a food supplement, not a medicine.
Studied in Glucose-Metabolism Models
Patel et al. (2013) examined swertiamarin in an experimental rat model of non-insulin-dependent diabetes and reported changes in markers associated with glucose metabolism. This is a research note on the isolated compound in animals, not a claim about Diabec or about human outcomes.
Patel, T.P. et al., M.S. University of Baroda - eCAM, 2013 (PMID: 23840254)
Studied in Liver-Tissue Models
The same 2013 study reported changes in several liver-tissue markers in the experimental animal model. Researchers describe these as changes consistent with more balanced glucose handling in that model. Translation to human outcomes has not been established and is not implied by Diabec.
Patel, T.P. et al., M.S. University of Baroda - eCAM, 2013 (PMID: 23840254)
Antioxidant Activity in Preclinical Models
Jaishree & Badami (2010) reported antioxidant activity from swertiamarin isolated from Enicostemma axillare, a related species, in an experimental rat liver-damage model. Again, this is a research finding on an isolated compound, not a product claim.
Jaishree, V. & Badami, S., J.S.S. College of Pharmacy, Mysore - J Ethnopharmacol, 2010 (PMID: 20420896)
Areas of Active Research
Modern research has explored several areas where Enicostemma littorale may offer meaningful support. Each benefit below is linked to relevant scientific literature.
Jaishree and Badami (2010) demonstrated that swertiamarin isolated from Enicostemma axillare (a related species in the same genus as E. littorale) showed antioxidant and hepatoprotective effects against D-galactosamine-induced acute liver damage in rats.
- Jaishree, V. & Badami, S., J.S.S. College of Pharmacy, Mysore - Journal of Ethnopharmacology, 2010 (PMID: 20420896)The research summaries below are for informational purposes only and do not constitute medical advice. Diabec is a food supplement, not a medicine. Consult your healthcare provider before use.
Researched Botanical for Glucose Metabolism
Preclinical (animal) studies on Enicostemma littorale extract have explored glucose-metabolism markers in experimental models (Patel et al. 2013; Vishwakarma et al. 2010). These are research findings on the botanical, not authorised product claims for Diabec.
View Study on PubMed →Liver-Tissue Markers in Preclinical Research
Preclinical research on Enicostemma's bioactive compounds has reported changes in several liver-tissue markers in experimental animal models. Translation to human outcomes has not been established.
View Study on PubMed →Antioxidant Activity in Preclinical Models
The polyphenol and flavonoid content of the Enicostemma genus has been studied for antioxidant activity. Jaishree & Badami (2010) reported antioxidant findings from swertiamarin isolated from Enicostemma axillare in an experimental rat model.
View Study on PubMed →Long Traditional Use in Folk Medicine
Enicostemma littorale has been used for centuries in South Asian folk medicine, where bitter botanicals like this one were part of broader wellness practices. Traditional-use information is provided for cultural and educational context.
View Study on PubMed →Selected Studies on Swertiamarin
Enicostemma littorale has been the subject of over 40 published scientific studies investigating its metabolic support properties. Below are key findings from peer-reviewed research.
Maroo and colleagues (2003) reported a dose-dependent glucose-lowering effect of aqueous Enicostemma littorale extract in alloxan-induced diabetic rats - an early animal-model study examining the plant's glucose-handling activity.
- Maroo, J. et al., Department of Biochemistry, M.S. University of Baroda - Phytomedicine, 2003 (PMID: 12725576)Effect of Aqueous Extract of Enicostemma littorale Blume in STZ-Induced Type 1 Diabetic Rats
A 2010 study by Vishwakarma and colleagues at L.M. College of Pharmacy evaluated the effect of three-week treatment with hot and cold aqueous extract of E. littorale in streptozotocin-induced diabetic rats. The hot extract (1-2 g/kg) significantly reduced fasting blood glucose, AUC(glucose), serum cholesterol, and serum triglycerides. Swertiamarin was identified as a major component of the hot extract.
Chronic Enicostemma littorale Treatment in NIDDM Rats
Murali and colleagues at L.M. College of Pharmacy (2002) studied six-week treatment with aqueous E. littorale extract (2 g/kg) in non-insulin-dependent diabetic rats. The study reported improvements in glucose levels, insulin sensitivity and lipid profile in the experimental model.
Antioxidant and Hepatoprotective Effect of Swertiamarin from Enicostemma axillare
Jaishree and Badami at J.S.S. College of Pharmacy (2010) evaluated swertiamarin isolated from Enicostemma axillare - a related species in the same genus as E. littorale. The study demonstrated antioxidant and hepatoprotective effects against D-galactosamine-induced acute liver damage in rats.
Dose-Response Glucose-Handling Research on Enicostemma littorale in Diabetic Rats
Maroo and colleagues (2003) reported a dose-dependent glucose-lowering effect of aqueous Enicostemma littorale extract in alloxan-induced diabetic rats, building on earlier animal-model reports of the plant's glucose-handling activity.
Patel et al. 2013: Swertiamarin Mechanism Study in NIDDM Rats
Patel and colleagues at M.S. University of Baroda (2013) investigated the molecular mechanism of swertiamarin in a non-insulin-dependent diabetic rat model. The paper reports that the isolated compound modulated PPAR-γ signalling and a set of carbohydrate- and fat-metabolism genes (PEPCK, glucokinase, GLUT-4, adiponectin, leptin) in peripheral tissues in that model, along with reduced glucose-6-phosphatase activity in the liver. These are research findings on the isolated compound in animals; they are not Diabec product claims and have not been authorised as human health claims under EU Regulation 1924/2006.
Frequently Asked Questions
Enicostemma littorale is a medicinal herb from the Gentian family (Gentianaceae) that has been used in Indian tribal medicine for generations to support healthy blood sugar levels. Known as Mamejava in Ayurveda and Chhota Chirayata in Hindi, it is native to India, Sri Lanka, and parts of Africa. The whole plant, particularly the aerial parts, contains bioactive compounds including swertiamarin and gentiopicroside.
Enicostemma littorale is less commercially known than Gymnema Sylvestre or Bitter Melon, but it is deeply valued in the tribal medicine traditions of western India - particularly among the Bhil and Garasia communities of Gujarat and Rajasthan. It has been the subject of over 40 published studies, and its unique swertiamarin content makes it a valuable addition to the Diabec formula.
Enicostemma littorale has been used in Indian traditional medicine for centuries and has shown a positive safety profile in experimental studies. Consult your healthcare provider before starting, especially if you are taking medications for blood sugar management or other conditions.
Enicostemma littorale has a distinctly bitter taste, which is characteristic of the Gentian family. In traditional medicine, this bitterness is considered a sign of its therapeutic potency - the bitter compounds (particularly swertiamarin and gentiopicroside) are the same bioactive constituents responsible for its metabolic benefits.
Anyone taking diabetes medication (such as insulin or oral hypoglycaemic drugs) should consult their healthcare provider before adding Enicostemma to their routine, and should monitor their blood sugar closely. Diabec is a food supplement, not a medicine, and is not intended to diagnose, treat, cure or prevent any disease.
Enicostemma littorale was included in the Diabec formula because of its long traditional use across South Asian folk medicine and its bitter compound swertiamarin, which has been the subject of preclinical research in animal models, including earlier work on the whole-plant extract. These are research findings on the isolated compound and the extract. Diabec is a food supplement, not a medicine, and is not intended to diagnose, treat, cure, or prevent any disease.
Cautions and Contraindications
Enicostemma littorale is a staple of South Indian tribal medicine and has been well-tolerated in experimental studies. As with any supplement, there are considerations to keep in mind.
Experimental animal studies including Murali et al. (2002) and Maroo et al. (2003) reported no adverse effects at the doses tested over chronic-treatment protocols. Human safety data remains limited; consult a healthcare provider before use.
- Murali, B. et al. - Journal of Ethnopharmacology, 2002 (PMID: 12065151)Who should be careful with Enicostemma
- Anyone on diabetes medication - If you take insulin, metformin, sulfonylureas, or any other glucose-lowering prescription, talk to your healthcare provider before adding Enicostemma to your routine and monitor your blood sugar closely. Combined effects could in theory lead to blood sugar dropping too low.
- People who are pregnant or breastfeeding - Safety data in pregnancy and lactation is limited; default to medical advice before use.
- Children - Diabec is intended for adults. Keep out of reach of children.
- People sensitive to bitter botanicals - The active swertiamarin is bitter; a small number of people experience mild gastrointestinal discomfort during the first few days of any new bitter-botanical supplement.
- The evidence base - Most of what we know about Enicostemma comes from traditional use plus preclinical (cell and animal) studies. Large human clinical trials are still developing.
- Talk to your healthcare provider first - Especially if you have an existing health condition or take any prescription medication.
Enicostemma's Place in the Diabec Formula
Enicostemma littorale (chhota chirayata in Hindi, "small chirata") is the least famous botanical in the Diabec formula and the one with the most interesting research backstory. The plant grows wild across western and southern India, where Bhil and Garasia tribal healers prepared a bitter morning decoction of the aerial parts on an empty stomach. That tribal use eventually drew the attention of pharmacology departments at M.S. University of Baroda and L.M. College of Pharmacy in Ahmedabad, who isolated swertiamarin and ran the preclinical work cited above. Diabec carries the whole-plant extract (not the isolated compound) alongside the other five Ayurvedic herbs. Diabec is a food supplement, not a medicine, and is not intended to diagnose, treat, cure, or prevent any disease.
Paired with Neem
Together they form the "Antioxidant Protection" pathway in the Diabec formula
Standardised Extract
Swertiamarin content is standardised for consistent potency in every capsule
6-Herb Combined Formula
Works with five other Ayurvedic herbs for complete metabolic support
Related Ingredients
Discover the five other herbs that work alongside Enicostemma littorale in the Diabec formula.
