What is Nirgundi?
Nirgundi, scientifically known as Vitex negundo, is a versatile woody shrub belonging to the Lamiaceae (mint) family. Native to tropical and subtropical regions of Asia and Africa, it is commonly found in a variety of habitats, from coastal areas to mountainous terrains. This plant is characterized by its palmately compound leaves, often with five leaflets, and small, purplish-blue flowers that grow in dense panicles.
Valued for its adaptability and wide distribution, Nirgundi produces small, fleshy fruits that turn black when ripe. Beyond its botanical features, it holds significant cultural and traditional importance in various societies.
Other Names of Nirgundi
- Five-leaved Chaste Tree
- Chinese Chaste Tree
- Horseshoe Vitex
- Sindhuvara
- Lagundi
Heading
<h3> Absolute Contraindications of Nirgundi </h3> <h4> Pregnancy (avoid use) [Pregnant or trying to carry a pregnancy]</h4> <ul> <li> 🤰 <li> Recommendation: Do not use Nirgundi during pregnancy unless supervised by a qualified clinician; avoid self-treatment with extracts or high-dose preparations. <li> Reasoning: Contemporary pharmacological reviews and experimental studies show that Vitex negundo modulates hormone-related pathways and reproductive tissues in animals; because hormone modulation can affect early pregnancy and the uterus, experts advise caution. <li> Scientific_Study_Title: Vitex negundo and its medicinal value. <li> Scientific_Study_Authors: Balraj Singh Gill, Richa Mehra, Navgeet, Sanjeev Kumar. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/30311123/ <li> Scientific_Study_Excerpt: <p>The cited 2018 review summarizes phytochemicals and multiple bioactivities of Vitex negundo, including modulation of inflammatory, oxidative and several hormone-related cellular pathways. The review highlights studies where VN influenced reproductive signaling and menstrual-cycle related endpoints in preclinical work, and notes that VN compounds affect pathways (e.g., MAPK, NF-κB, hormonal axes) that can secondarily alter reproductive physiology.</p> <p>Because of these hormone- and tissue-level effects, the authors recommend cautious use of VN in populations where hormonal modulation could be harmful (pregnancy being a primary example), and call for further safety data before routine use in pregnant patients.</p> </ul> <h4>Men actively trying to conceive (male fertility risk) [Men planning conception]</h4> <ul> <li> 🧑🌾 <li> Recommendation: Men attempting to father a child should avoid concentrated seed/flavonoid extracts of Nirgundi until more human safety data exist. <li> Reasoning: Seed-derived flavonoid preparations caused decreases in accessory sex organ function, sperm count and motility in rats - effects that could reduce male fertility if applicable to humans. <li> Scientific_Study_Title: Reproduction in male rats is vulnerable to treatment with the flavonoid-rich seed extracts of Vitex negundo. <li> Scientific_Study_Authors: Suwagmani Das, Seema Parveen, Chander Parkash Kundra, Ben M J Pereira. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/14750193/ <li> Scientific_Study_Excerpt: <p>In this 2004 animal study researchers administered a flavonoid-rich seed extract of Vitex negundo to male rats at several doses. After 15 days, key accessory sex organs lost weight and biochemical markers of secretory function (citric acid in prostate, fructose in seminal vesicles, epididymal enzyme activity) declined. Microscopy showed fewer sperm and reduced motility; overall the data indicate impaired reproductive capacity in treated males.</p> <p>The study concluded that seed extracts of VN contain constituents that can adversely affect male reproductive tissues and function in this animal model, suggesting caution for men who wish to preserve fertility.</p> </ul> <h4>Concurrent use of therapeutic anticoagulants / strong antiplatelet drugs (possible bleeding risk) [On blood thinners or antiplatelet drugs]</h4> <ul> <li> 🩸 <li> Recommendation: Avoid using Nirgundi extracts together with prescription anticoagulants (like warfarin) or powerful antiplatelet agents unless supervised by your prescribing clinician and INR/bleeding status is closely monitored. <li> Reasoning: Recent in vitro work shows VN fractions can inhibit PLA2 activity and reduce platelet aggregation induced by ADP; such effects may add to the blood-thinning action of medicines and increase bleeding risk. <li> Scientific_Study_Title: Phytochemical characterization and phospholipase A2 inhibitory effect of Vitex negundo L. root extracts. <li> Scientific_Study_Authors: Shabana Kusar, Zeb Saddiqe, Muhammad Hassham Hassan Bin Asad, Faiza Ali, Fatima Kirmani. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/38163555/ <li> Scientific_Study_Excerpt: <p>This 2023-2024 study evaluated root extracts and fractions of VN for inhibition of secretory phospholipase A2 (PLA2)-mediated effects, ADP-induced platelet aggregation, and cobra venom anticoagulant/toxic actions in vitro. Several solvent fractions produced significant inhibition of PLA2 activity and reduced ADP-triggered platelet aggregation under laboratory conditions.</p> <p>Because platelet aggregation modulation and PLA2 inhibition are mechanistically related to bleeding and coagulation balance, the authors note the potential for VN extracts to influence haemostasis and recommend caution when combining VN with anticoagulant/antiplatelet therapies pending clinical interaction studies.</p> </ul> <h3> Relative Contraindications of Nirgundi </h3> <h4>Severe liver impairment (use caution) [Existing advanced liver disease]</h4> <ul> <li> ⚠️ <li> Recommendation: People with serious liver disease should not start high-dose Nirgundi extracts without liver specialist approval and monitoring; small/occasional traditional use may be less risky but check with your clinician. <li> Reasoning: Animal models show hepatoprotective effects at certain doses, but other preclinical reports and product labels note possible liver enzyme changes at high or prolonged dosing-evidence is mixed, so caution and monitoring are prudent. <li> Scientific_Study_Title: Hepatoprotective activity of Vitex negundo leaf extract against anti-tubercular drugs induced hepatotoxicity. <li> Scientific_Study_Authors: Vishal R Tandon, V Khajuria, B Kapoor, D Kour, S Gupta. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/18621114/ <li> Scientific_Study_Excerpt: <p>In this controlled animal study VN leaf ethanolic extract (250-500 mg/kg) reduced serum markers of liver injury (TB, AST, ALT, ALP) and improved liver histology in rats challenged with anti-tubercular drugs that otherwise cause hepatotoxicity. The authors concluded VN has protective effects in this model and suggested antioxidant and membrane-stabilizing mechanisms.</p> <p>Despite these protective findings, other preclinical reports have noted transient elevations of liver enzymes with some preparations; because human clinical safety in severe liver disease is not established, the study supports potential benefit but not unconditional safety in advanced hepatic impairment.</p> </ul> <h4>Hormone-sensitive conditions (e.g., certain breast or prostate cancers) [Existing hormone-sensitive cancer or conditions]</h4> <ul> <li> ⚕️ <li> Recommendation: If you have a hormone-sensitive cancer or condition, avoid using Nirgundi without specialist approval, because its phytochemicals can modulate hormone-related pathways. <li> Reasoning: Reviews and preclinical studies report VN compounds affect signaling pathways linked to hormone action and cell proliferation; those effects might theoretically influence hormone-sensitive diseases. <li> Scientific_Study_Title: Vitex negundo and its medicinal value. <li> Scientific_Study_Authors: Balraj Singh Gill, Richa Mehra, Navgeet, Sanjeev Kumar. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/30311123/ <li> Scientific_Study_Excerpt: <p>The 2018 review summarizes evidence that VN bioactives modulate pathways including MAPK, NF-κB, Akt/mTOR and other signaling cascades that have downstream effects on cell proliferation, apoptosis and hormone-responsive biology. The review highlights both anti-tumor experimental findings and hormone-related effects in preclinical models.</p> <p>Given the potential to influence these pathways and endocrine axes, the review suggests caution using VN in patients with hormone-sensitive disorders until clinical safety is defined.</p> </ul> <h4>Concurrent chronic NSAID use (monitor for additive effects) [Long-term anti-inflammatory drug use]</h4> <ul> <li> 💊 <li> Recommendation: If you take NSAIDs chronically, consult your doctor - VN can potentiate NSAID effects, and dose adjustments or monitoring may be needed. <li> Reasoning: Animal studies found VN extracts potentiated anti-inflammatory activity of standard NSAIDs, meaning additive effects can occur and may change therapeutic response or side-effect profiles. <li> Scientific_Study_Title: Vitex negundo Linn (VN) leaf extract as an adjuvant therapy to standard anti-inflammatory drugs. <li> Scientific_Study_Authors: Vishal R Tandon, R K Gupta. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/17159267/ <li> Scientific_Study_Excerpt: <p>This 2006 study evaluated interactions between VN leaf extract and sub-effective doses of standard anti-inflammatory drugs in rat models. The VN extract potentiated the anti-inflammatory effects of phenylbutazone and ibuprofen in carrageenan-induced edema and granuloma models, indicating additivity or synergy.</p> <p>Practically, this suggests VN may lower the required dose of some NSAIDs but could also increase risk of NSAID-related adverse effects if not monitored, hence the recommendation for clinical oversight.</p> </ul>
Heading
<h4>Elevated liver enzymes (possible transient AST/ALT rise)</h4> <ul> <li> 🧪 <li> Side effect summary: Some animal studies reported transient increases in liver enzymes after repeated high-dose VN preparations; most clinical data are limited. <li> Recommendation: If you develop symptoms (jaundice, dark urine, severe fatigue), stop use and see a clinician; consider baseline and follow-up liver tests for long-term or high-dose use. <li> Reasoning: High or prolonged dosing in some preclinical experiments showed alterations in serum transaminases while other studies demonstrated hepatoprotection-dose, extract type and model matter. <li> Severity Level: Moderate <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Antiinflammatory and analgesic activities of mature fresh leaves of Vitex negundo. <li> Scientific_Study_Authors: R R Kulkarni, A D Virkar, Priscilla D'mello. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/12860308/ <li> Scientific_Study_Excerpt: <p>In this study of fresh leaf extracts used in animal pain and inflammation models, investigators reported effective analgesic and anti-inflammatory activity. Fourteen-day oral treatment at higher doses significantly increased serum AST activity in treated animals, demonstrating that some preparations and dosing regimens can affect liver enzyme levels.</p> <p>The authors noted no overt acute toxicity in many tests, but the enzyme changes underline the need to monitor liver biomarkers when using sustained or high-dose VN extracts.</p> </ul> <h4>Male reproductive effects (reduced sperm count and motility in animal studies)</h4> <ul> <li> 🧬 <li> Side effect summary: Seed/flavonoid-rich extracts decreased sperm numbers, motility and accessory sex organ secretions in rat studies-this suggests potential fertility impact in males. <li> Recommendation: Men who plan to father children should avoid concentrated seed extracts until human safety is clarified; seek medical advice if exposure has occurred. <li> Reasoning: The seed flavonoid fraction produced measurable declines in reproductive organ function in animals over short treatment periods, consistent with anti-fertility potential. <li> Severity Level: Moderate <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Reproduction in male rats is vulnerable to treatment with the flavonoid-rich seed extracts of Vitex negundo. <li> Scientific_Study_Authors: Suwagmani Das, Seema Parveen, Chander Parkash Kundra, Ben M J Pereira. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/14750193/ <li> Scientific_Study_Excerpt: <p>The 2004 Phytotherapy Research study found that animals receiving ≥15 mg/rat/day of a flavonoid-rich seed extract for 15 days showed loss of weight in major accessory sex organs and declines in biochemical markers such as citric acid and fructose in reproductive secretions. Sperm count and motility decreased and microscopic changes were observed, indicating impaired reproductive function in the treated group.</p> <p>The investigators concluded that VN seed flavonoids can adversely affect male reproductive tissues and highlighted the need for caution and further research before clinical use in men desiring fertility.</p> </ul> <h4>Bleeding tendency / platelet function alteration (laboratory evidence)</h4> <ul> <li> 🩹 <li> Side effect summary: In vitro studies show VN fractions can inhibit platelet aggregation and certain phospholipase activities - which could translate to increased bleeding risk when combined with anticoagulants or in bleeding disorders. <li> Recommendation: Stop VN and consult a clinician before surgeries or if you are on blood thinners; inform your provider about VN use. <li> Reasoning: Laboratory inhibition of ADP-induced platelet aggregation and PLA2 activity suggests VN can alter haemostasis pathways; clinical relevance needs careful monitoring. <li> Severity Level: Moderate <li> Scientific_Study_Available: Yes <li> Scientific_Study_Title: Phytochemical characterization and phospholipase A2 inhibitory effect of Vitex negundo L. root extracts. <li> Scientific_Study_Authors: Shabana Kusar, Zeb Saddiqe, Muhammad Hassham Hassan Bin Asad, Faiza Ali, Fatima Kirmani. <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/38163555/ <li> Scientific_Study_Excerpt: <p>This recent J Ethnopharmacology study tested multiple root fractions and found strong PLA2 inhibitory effects and significant reduction of ADP-induced platelet aggregation in vitro. Several fractions also neutralized PLA2-mediated hemolysis and cobra venom toxic effects under lab conditions, and authors documented high phenolic and flavonoid content linked to these bioactivities.</p> <p>While in vitro results do not automatically equal clinical bleeding, they provide a mechanistic basis for potential interaction with anticoagulant/antiplatelet therapies and warrant clinical caution.</p> </ul>
Heading
<h4>Non-steroidal anti-inflammatory drugs (NSAIDs) - e.g., ibuprofen, phenylbutazone</h4> <ul> <li> Interaction_Details: Animal studies show VN leaf extract can potentiate the anti-inflammatory action of NSAIDs - meaning combined use may increase effect (both desired and adverse), so expect stronger anti-inflammatory response and possibly enhanced side effects. <li> Severity: Moderate <li> Recommendation: Consult your clinician before combining; if combined, monitor for enhanced effect or adverse events and consider possible dose adjustment of the NSAID. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/17159267/ <li> Scientific_Study_Title: Vitex negundo Linn (VN) leaf extract as an adjuvant therapy to standard anti-inflammatory drugs. <li> Scientfic_Study_Authors: Vishal R Tandon, R K Gupta. <li> Scientific_Study_Excerpt: <p>This 2006 experimental study administered sub-effective doses of standard NSAIDs together with VN leaf extract in rat inflammation models. The VN extract significantly potentiated the anti-inflammatory actions of phenylbutazone and ibuprofen in carrageenan-induced paw edema and granuloma models, indicating an additive or synergistic interaction under these conditions.</p> <p>The authors interpret the findings to mean VN could serve as an adjuvant to reduce required NSAID doses, but caution that additive effects may affect safety and dosing when translated to humans without monitored trials.</p> </ul> <h4>Paracetamol / Acetaminophen</h4> <ul> <li> Interaction_Details: In rats, repeated oral VN extract reduced plasma paracetamol concentrations and decreased its relative bioavailability, suggesting VN can alter absorption or overall exposure to paracetamol and thereby reduce its therapeutic intensity. <li> Severity: Mild <li> Recommendation: If taking paracetamol regularly (especially for pain/fever control), consult a clinician/pharmacist before starting VN; dose adjustments or timing changes may be needed. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/19942755/ <li> Scientific_Study_Title: Pharmacokinetic-interaction of Vitex negundo Linn. & paracetamol. <li> Scientfic_Study_Authors: Yamini Bhusan Tripathi, Om Prakash Tiwari, Santosh Nagwani, Brahmeshwar Mishra. <li> Scientific_Study_Excerpt: <p>In this 2009 pharmacokinetic study in albino rats, VN ethanolic leaf extract was given for six days and paracetamol concentrations measured after dosing. Results showed a dose-dependent decline in plasma paracetamol concentration and a significant decrease in AUC and Cmax when VN extract was present, indicating reduced absorption or systemic exposure of paracetamol in the animal model.</p> <p>Authors concluded that VN co-administration may reduce paracetamol bioavailability, and warned that dose adjustment of the allopathic drug may be required to maintain therapeutic effect if both are used together.</p> </ul> <h4>Anticoagulants / Antiplatelet agents (e.g., warfarin, clopidogrel) - potential additive effect</h4> <ul> <li> Interaction_Details: In vitro VN fractions inhibited ADP-induced platelet aggregation and PLA2 activity; although clinical interaction data are limited, such actions can add to the effect of anticoagulant/antiplatelet drugs and raise bleeding risk. <li> Severity: Moderate <li> Recommendation: Avoid concurrent use without clinician supervision; if necessary to combine, monitor bleeding parameters (INR for warfarin; platelets/clinical bleeding signs for antiplatelets) closely. <li> Scientific_Study_Available: Yes <li> Scientific_Study_Link: https://pubmed.ncbi.nlm.nih.gov/38163555/ <li> Scientific_Study_Title: Phytochemical characterization and phospholipase A2 inhibitory effect of Vitex negundo L. root extracts. <li> Scientfic_Study_Authors: Shabana Kusar, Zeb Saddiqe, Muhammad Hassham Hassan Bin Asad, Faiza Ali, Fatima Kirmani. <li> Scientific_Study_Excerpt: <p>The recent J Ethnopharmacology article reports that several VN root extract fractions significantly inhibited secretory PLA2 functions and reduced ADP-induced platelet aggregation in vitro. These lab-based haemostasis effects suggest a biochemical basis for interaction with drugs that modify coagulation and platelet function.</p> <p>Because anticoagulant and antiplatelet therapies already alter bleeding risk, the authors recommend exercising clinical caution until controlled human interaction studies are available.</p> </ul>
