Feuille de Momordica charantia (Momordica charantia (leaf)): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does bitter gourd leaf lower blood sugar?

Bitter gourd leaf contains several bioactive compounds that may help regulate blood sugar levels. Charantin and momordicin are believed to improve glucose metabolism, while polypeptide-p (sometimes called plant insulin) may mimic insulin's effects by enhancing glucose uptake into cells. These compounds may also suppress gluconeogenesis in the liver and improve insulin sensitivity. However, human clinical evidence remains limited (Evidence Level C), and more research is needed to fully understand these mechanisms.

Can I take bitter gourd leaf with diabetes medications?

Bitter gourd leaf may interact with diabetes medications including metformin, insulin, and sulfonylureas. Because the leaf has blood sugar-lowering properties, combining it with prescription diabetes medications may cause additive effects, potentially leading to hypoglycemia (dangerously low blood glucose). If you take diabetes medications, consult your healthcare provider before using bitter gourd leaf products. Regular blood glucose monitoring is essential if combining these treatments.

What is the recommended dosage for bitter gourd leaf tea?

The traditional adult dosage for bitter gourd leaf tea is 2-3 cups daily. To prepare, steep 1-2 teaspoons of dried leaves in hot water for 10-15 minutes. This recommendation is based on traditional use rather than robust clinical trials (Evidence Level C). Individual needs may vary based on health status and concurrent medications. Start with a lower dose to assess tolerance, and consult a qualified healthcare provider for personalized guidance.

Is bitter gourd leaf safe during pregnancy?

Bitter gourd leaf is considered unsafe during pregnancy. The plant contains compounds that may stimulate uterine contractions and potentially cause miscarriage or premature labor. Traditional use has included bitter gourd as an emmenagogue to stimulate menstrual flow. Additionally, some compounds may have abortifacient properties. Pregnant individuals and those trying to conceive should avoid bitter gourd leaf in all forms. Breastfeeding individuals should also avoid use due to insufficient safety data.

What are the side effects of bitter gourd leaf?

Common side effects include abdominal pain, diarrhea, and nausea, particularly when consumed in large amounts. Due to its glucose-lowering effects, hypoglycemia may occur, causing symptoms like dizziness, sweating, confusion, and weakness. People with G6PD deficiency should avoid bitter gourd leaf entirely, as it may trigger hemolytic anemia. Allergic reactions are possible but rare. Discontinue use if adverse effects occur and seek medical attention for severe symptoms such as difficulty breathing or signs of severe hypoglycemia.

What is bitter gourd leaf used for traditionally?

Bitter gourd leaf has been used across multiple traditional medicine systems. In the Philippines, it serves as a folk remedy for diabetes and blood sugar management. Indian Ayurvedic medicine employs it for digestive complaints and metabolic support. In parts of Africa, the leaves are traditionally used as an antiparasitic agent. Modern interest focuses primarily on potential antidiabetic applications, though clinical evidence supporting these uses remains limited (Evidence Level C).

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 29 articles PubMed · modèle : gemma4:31b

Résumé

Momordica charantia leaf is used in traditional medicine and exhibits antioxidant, anti-inflammatory, and potential anticancer activities [PMID:38440938, 28510957, 42278477].

Contexte

Momordica charantia, also known as bitter melon, snake fruit, or Saint Vincent's herb, is a species found in tropical and subtropical biomes, including parts of Brazil [PMID:38440938].

Usages traditionnels

The plant is employed in traditional medicine to treat a wide number of diseases [PMID:42106488] and is used as a folk medicine in Asia [PMID:20731662].

Composés actifs

Identified compounds include linalool, benzaldehyde, and beta-cyclocitral [PMID:38440938]; flavonoids such as rutin, quercetin, afzelin, and 6"-O-acetylastragalin [PMID:19723180, 42160833]; phenolic acids including gentistic, o-coumaric, caffeic, and chlorogenic acids [PMID:19723180, 26961486]; and triterpenoids such as Kuguacin J, charantadiol A, and 5beta,19-epoxycucurbita-6,23-diene-3beta,19,25-triol [PMID:22266361, 34577123, 27058519].

Mécanisme d'action

Leaf extracts may inhibit the secretion of MMP-2, MMP-9, and uPA [PMID:20731662], block NF-kappaB activation and MAPK pathways [PMID:26098998], and inhibit JNK phosphorylation [PMID:42278477]. Kuguacin J induces G1 arrest by decreasing cyclins (D1, E) and CDKs (2, 4) and increases p21 and p27 levels [PMID:21429659]. Additionally, it can inhibit P-glycoprotein (P-gp) transport function to reverse multidrug resistance [PMID:21414769].

Preuves cliniques

Preuve DObesity and Lipid Metabolism

In HFD-fed mice, distilled water extract of the leaf reduced body weight, lipid accumulation, and adipose tissue volume, while improving glucose tolerance and insulin resistance [PMID:34073706].

Preuve DProstate Cancer

Leaf extract and Kuguacin J inhibited migration, invasion, and growth of rat (PLS10) and human (PC3, LNCaP) prostate cancer cells in vitro and in vivo [PMID:20731662, 22266361, 21429659].

Preuve DSkin Inflammation (Acne)

Methanolic and total phenolic extracts of wild bitter melon leaf attenuated P. acnes-induced ear swelling in mice and suppressed IL-8, IL-1beta, and TNF-alpha production in vitro [PMID:32961947, 26098998].

Preuve DPeriodontitis

Charantadiol A and leaf fractions reduced P. gingivalis-induced IL-6 and IL-8 production in THP-1 cells and suppressed inflammation in a mouse model [PMID:27058519, 34577123].

Preuve DDiabetes

Ethyl acetate fraction of methanolic extract showed inhibitory activity against alpha-amylase and alpha-glucosidase in vitro [PMID:42160833].

Synthèse des preuves

The current evidence is primarily based on in vitro studies and animal models (Level D), demonstrating significant pharmacological potential in metabolic, oncological, and inflammatory contexts, but lacks human clinical trial data.

Sources PubMed

1.PMID: 38440938 (2025) — Determination of the volatile chemical profile of Momordica charantia (bitter melon) leaf and fruit by GC-MS. · Natural product research
2.PMID: 28510957 (2014) — Antioxidant, cell-protective, and anti-melanogenic activities of leaf extracts from wild bitter melon (Momordica charantia Linn. var. abbreviata Ser.) cultivars. · Botanical studies
3.PMID: 34073706 (2021) — Comparative Analysis of Metabolite Profiling of Momordica charantia Leaf and the Anti-Obesity Effect through Regulating Lipid Metabolism. · International journal of environmental research and public health
4.PMID: 37504854 (2023) — The Microemulsion with Solubilization of the Ethanolic Extract of the Leaves of Melão-de-São-Caetano (Momordica charantia) and Antibacterial Action. · Journal of functional biomaterials
5.PMID: 27058519 (2016)

Feuille de Momordica charantia

Sources et citations

Calculer une dose sûre de Feuille de Momordica charantia

Kayu Manis Jamu

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Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Synthèse des preuves

Sources PubMed

Sources gouvernementales

Feuille de Momordica charantia

Sources et citations

Calculer une dose sûre de Feuille de Momordica charantia

Plantes associées

Kayu Manis Jamu

Amla Powder

Berberis thunbergii

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Synthèse des preuves

Sources PubMed

Sources gouvernementales