Caesalpinia bonduc (Caesalpinia bonduc): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Caesalpinia bonduc work to lower blood sugar?

Caesalpinia bonduc contains bioactive compounds including bonducin, caesalpin, and nicker glycosides that may help regulate blood glucose levels. Research suggests these compounds may enhance insulin sensitivity and support glucose metabolism through multiple pathways. The flavonoids and alkaloids present may also contribute to antidiabetic effects by protecting pancreatic beta cells and reducing oxidative stress. However, evidence remains preliminary (Level C), and the exact molecular mechanisms require further clinical investigation. Traditional Ayurvedic use spans centuries, but modern research has not yet fully validated these mechanisms.

Does Caesalpinia bonduc interact with diabetes medications?

Caesalpinia bonduc may potentially interact with antidiabetic medications due to its blood sugar-lowering effects. Combining this herb with insulin or oral hypoglycemic agents could theoretically cause additive effects, leading to hypoglycemia (dangerously low blood sugar). Patients taking diabetes medications should monitor blood glucose closely and consult a healthcare provider before using Caesalpinia bonduc. The herb contains alkaloids that may also affect liver metabolism of certain drugs. No well-documented clinical interaction studies exist (Level C evidence), so caution is advised when combining with prescription medications.

What is the recommended dosage for Caesalpinia bonduc seed powder?

Traditional Ayurvedic practice recommends seed kernel powder at 1-3 grams taken twice daily for adults. This dosage is based on historical use rather than standardized clinical trials. The seeds should be properly processed and prepared, as raw seeds contain toxic alkaloids that can cause adverse effects. Dosage may vary depending on the specific condition being addressed and individual factors. It is essential to start with lower doses and consult a qualified practitioner, as excessive amounts can cause vomiting and gastrointestinal upset. Standardized extracts may have different dosing requirements.

Is Caesalpinia bonduc safe to take during pregnancy?

Caesalpinia bonduc is considered unsafe during pregnancy and should be strictly avoided. The seeds contain toxic alkaloids and other compounds that may cause uterine contractions or harm fetal development. Traditional Ayurvedic texts explicitly contraindicate its use in pregnant women. Additionally, the herb's effects on blood sugar and other metabolic processes could pose risks during pregnancy. Women who are breastfeeding should also avoid this herb due to insufficient safety data. If pregnancy is planned or suspected, discontinue use immediately and consult a healthcare provider for safer alternatives.

What are the traditional uses of Caesalpinia bonduc seeds?

Caesalpinia bonduc seeds have been used traditionally in Ayurvedic medicine for treating malaria, diabetes, fever, asthma, and spleen conditions. The plant, known as "fever nut" or "nicker nut," has a long history of use across tropical coastal regions for its antipyretic and antimalarial properties. Traditional practitioners also use it for digestive complaints and inflammatory conditions. While these uses are well-documented in ethnobotanical literature, scientific evidence supporting most indications remains limited (Level C). Modern research has identified active compounds like bonducin and flavonoids, but clinical validation is still needed.

What side effects can Caesalpinia bonduc cause?

Common side effects of Caesalpinia bonduc include gastrointestinal upset, nausea, and abdominal discomfort. Taking excessive doses may cause vomiting due to the presence of toxic alkaloids in the seeds. Large doses have been associated with more serious adverse effects and should be strictly avoided. The seeds require proper processing to reduce toxicity before use. Individuals with sensitive digestive systems may experience more pronounced side effects. If severe gastrointestinal symptoms, allergic reactions, or unusual symptoms occur, discontinue use immediately and seek medical attention. Long-term safety data is limited.

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Caesalpinia bonduc, also known as bonduc nut or fever nut, is a medicinal plant used in various traditional systems for treating conditions such as diabetes, inflammation, and fever [PMID:34192600, PMID:37987793].

Background

Caesalpinia bonduc (L.) Roxb., belonging to the Fabaceae family, is a plant with a pantropical distribution commonly found in evergreen and moist deciduous forests [PMID:34192600, PMID:37987793].

Traditional uses

The plant is used in Ayurveda, Siddha, and homeopathy to treat fever, inflammation, diabetes, cardiovascular disorders, cancer, birth control, and tumors [PMID:34192600, PMID:37987793, PMID:19429358]. In India, seeds are used to regulate menstrual disorders in PCOS [PMID:34192600], while in Benin, roots are used for urinary tract infections, pain, diabetes, reproductive disorders, and as an aphrodisiac [PMID:42256646, PMID:33574881]. It has also been used by Siddha healers for psoriasis [PMID:20920562] and traditionally to treat snake bites [PMID:15070178].

Active compounds

The plant contains over 97 phytochemicals [PMID:37987793]. Key compounds include cassane-type diterpenoids (e.g., caesalpinolides, neocaesalpins) [PMID:34184408, PMID:32985266, PMID:24447681, PMID:24990509, PMID:19155029], cassane-type alkaloids (caesalminines C-G) [PMID:38280683], flavonoids [PMID:34400957], phenolics [PMID:32256963], and a water-soluble gluco-arabinan polysaccharide [PMID:23218357]. Seeds also contain a serine proteinase inhibitor (CbTI) [PMID:17400464].

Mechanism of action

In diabetic rat models, polyphenol extracts may attenuate hyperglycemia by upregulating insulin secretion and inhibiting the JNK signaling pathway, affecting genes such as Pdx-1, Ins-1, ngn-3, GLUT-4, and IRS-1 [PMID:32256963]. Ethanolic seed extracts trigger a yeast metacaspase-dependent apoptotic pathway in Candida albicans via mitochondrial dysfunction and enhanced production of calcium and reactive oxygen species (ROS) [PMID:36093184]. Certain compounds have shown inhibitory effects on type-4 phosphodiesterase (PDE4) and nuclear factor-kappa B (NF-κB) expression [PMID:31962203].

Clinical evidence

Evidence DDiabetes Mellitus

Aqueous-methanol seed kernel extract, alone or synergistically with Gymnema sylvestre, improved fasting blood glucose, insulin, HbA1c, and oxidative stress markers (SOD and CAT) in alloxan-induced diabetic rats [PMID:40354793]. Polyphenol extracts restored blood glucose, insulin, and glycosylated hemoglobin in diabetic rats [PMID:32256963].

Evidence DBenign Prostatic Hyperplasia (BPH)

Seed extracts significantly decreased testosterone propionate-induced BPH in male Wistar rats [PMID:35651598].

Evidence DPsoriasis

Hydroalcoholic extract fractions (butanol and water) produced significant orthokeratosis and reduced relative epidermal thickness in mouse tail tests [PMID:20920562].

Evidence DInflammation and Pain

Seed coat extract decreased induced inflammation in Carrageenan and Egg albumin-induced paw edema models in rats and showed antinociceptive activity [PMID:23057003].

Evidence DCandidiasis

Ethanolic extract of seeds demonstrated in-vitro anticandidal activity against Candida albicans [PMID:36093184].

Evidence D

Safety & adverse effects

A 90-day oral toxicity study of ethanolic root extract in rats (up to 500 mg/kg/day) showed no deaths, abnormal clinical signs, or significant changes in body weight and organ weights [PMID:33574881]. However, acute oral administration of leaf and young twig extracts (2000-5000 mg/kg) caused significant alterations in biomarkers and cellular damage to the liver [PMID:24311878]. In sub-acute studies, doses of 400 mg/kg and above of leaf/twig extracts caused significant biomarker changes [PMID:24311878].

Evidence summary

The current evidence is primarily based on in-vitro studies and animal models (Level D), with some systematic reviews of traditional use and phytochemistry (Level A/C). There are no human clinical trials provided in the abstracts.

PubMed sources

1.PMID: 33143632 (2021) — Herbal Medicines for Diabetes Management and its Secondary Complications. · Current diabetes reviews
2.PMID: 37987793 (2024) — Botany, traditional usages, phytochemistry, pharmacology, and toxicology of Guilandina bonduc L.: a systematic review. · Naunyn-Schmiedeberg's archives of pharmacology
3.PMID: 34192600 (2021) — Caesalpinia bonduc (L.) Roxb. as a promising source of pharmacological compounds to treat Poly Cystic Ovary Syndrome (PCOS): A review. · Journal of ethnopharmacology
4.PMID: 36093184 (2022) — Ethanolic extract of Caesalpinia bonduc seeds triggers yeast metacaspase-dependent apoptotic pathway mediated by mitochondrial dysfunction through enhanced production of calcium and reactive oxygen species (ROS) in Candida albicans. · Frontiers in cellular and infection microbiology
5.PMID: 40354793 (2025)

Caesalpinia bonduc

Sources & Citations

Calculate a safe dose of Caesalpinia bonduc

Anthocleista Djalonensis

Dulawali

Copalchi

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources

Caesalpinia bonduc

Sources & Citations

Calculate a safe dose of Caesalpinia bonduc

Related Herbs

Anthocleista Djalonensis

Dulawali

Copalchi

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources