# Bogbean (Menyanthes trifoliata)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/bogbean
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-29
**Evidence Score:** 2 / 10
**Category:** European
**Also Known As:** Menyanthes trifoliata, buckbean, marsh trefoil, water trefoil, bitter trefoil, bog myrtle, marsh clover, water shamrock, brook bean, bog hop

## Overview

Bogbean (Menyanthes trifoliata) is a bitter aquatic herb whose primary bioactive compounds — iridoid glycosides such as menyanthine and foliamenthin — stimulate bitter taste receptors in the gastrointestinal tract to increase digestive secretions and appetite. Its secoiridoids and phenolic acids, including salicylic acid derivatives, also contribute to reported [anti-inflammatory](/ingredients/condition/inflammation) and cholagogue effects recognized in European herbal medicine.

## Health Benefits

• Stimulates appetite and digestive secretions due to its bitter properties (preclinical evidence).
• Acts as a cholagogue, promoting bile flow, based on traditional use.
• Exhibits [anti-inflammatory](/ingredients/condition/inflammation) properties potentially linked to salicylic acid content (preclinical evidence).
• Used historically to aid [digestion](/ingredients/condition/gut-health) in hypoacidity and gastritis (traditional evidence).
• May serve as a diuretic or tonic, though specific mechanisms are not detailed (preclinical evidence).

## Mechanism of Action

Bogbean's iridoid glycosides — principally menyanthine, foliamenthin, and loganin — activate bitter taste receptors (TAS2Rs) on enteroendocrine cells and vagal afferents, triggering reflex increases in gastric acid, pepsin, and bile secretion via cholinergic and gastrin-mediated pathways. Its phenolic content, including caffeic acid and salicylic acid esters, inhibits cyclooxygenase (COX) enzymes, suppressing prostaglandin synthesis and contributing to [anti-inflammatory](/ingredients/condition/inflammation) activity. Flavonoids such as rutin and hyperoside may additionally scavenge [reactive oxygen species](/ingredients/condition/antioxidant), providing antioxidant support at the cellular level.

## Clinical Summary

Clinical evidence for bogbean remains sparse; most data derive from in vitro studies and animal models rather than randomized controlled trials in humans. Preclinical studies have confirmed bitter-stimulated increases in gastric secretions in rodent models, supporting its traditional use as a digestive bitter, though no large human trials quantify these outcomes. A limited number of small European ethnopharmacological studies document historical use for rheumatic complaints and liver support, but sample sizes are too small and methodologies too inconsistent to establish efficacy or optimal dosing. Overall, bogbean's evidence base is considered preliminary, and European herbal monographs (e.g., ESCOP, Commission E) accept its use primarily based on traditional evidence rather than robust clinical trial data.

## Nutritional Profile

Bogbean (Menyanthes trifoliata) is a medicinal herb rather than a dietary staple, so macronutrient content is not nutritionally significant in typical therapeutic doses. Key bioactive compounds and constituents include: Iridoid glycosides (foliamenthin, menthiafolin, dihydrofoliamenthin) at approximately 0.5–1.0% dry weight — primary bitter principles responsible for digestive stimulation; Secoiridoid glycosides (loganin, sweroside) contributing to bitter index values estimated at 4,000–10,000 per European Pharmacopoeia standards; Flavonoids (rutin, hyperoside, kaempferol-3-glucoside) at approximately 0.3–0.8% dry weight with moderate bioavailability due to glycosidic bonding requiring gut microbial hydrolysis; Alkaloids (gentianine, betonicine) present in trace amounts (<0.1% dry weight); Salicylic acid derivatives (methyl salicylate precursors) at low concentrations (~0.05–0.1% dry weight), contributing to [anti-inflammatory](/ingredients/condition/inflammation) activity; Triterpenes (betulinic acid, oleanolic acid) in leaf wax fractions at <0.5% dry weight; Phenolic acids (chlorogenic acid, caffeic acid) at approximately 0.1–0.3% dry weight; Tannins (condensed type) at approximately 1–3% dry weight in leaves, contributing to astringent properties; Coumarins in trace amounts; Crude fiber content of dried leaf is estimated at 15–25% dry weight, predominantly cellulose and hemicellulose with limited direct nutritional contribution; Moisture content of fresh plant is approximately 85–90%. Mineral content includes modest potassium, calcium, and magnesium, but concentrations are not well-characterized in published literature and are not nutritionally meaningful at medicinal doses. Vitamin content is not a primary consideration; trace vitamin C may be present given the plant's aquatic environment but no reliable quantified data exists. Bioavailability note: bitter iridoids are effective in very small quantities via oropharyngeal bitter receptor activation (cephalic phase response), meaning sub-milligram quantities of foliamenthin can trigger digestive secretion reflexes; flavonoid bioavailability is enhanced by gut microbial deglycosylation but variable between individuals.

## Dosage & Preparation

No clinically studied dosage ranges are documented due to the absence of human trials. Traditional formulas use bogbean leaf at 15-25% in multi-herb mixtures. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Bogbean is generally well tolerated at recommended doses but can cause gastrointestinal irritation, nausea, vomiting, and diarrhea, particularly at high doses, due to its potent bitter and saponin content. Because of its salicylate constituents, it may potentiate the effects of anticoagulants such as warfarin and NSAIDs, increasing bleeding risk, and should be used cautiously alongside these medications. Bogbean is contraindicated in individuals with active gastric or duodenal ulcers, acute [inflammatory](/ingredients/condition/inflammation) gastrointestinal conditions, and bile duct obstruction, as stimulation of secretions could worsen these conditions. Safety during pregnancy and lactation has not been established, and its use is not recommended in these populations.

## Scientific Research

There are no key human clinical trials, RCTs, or meta-analyses specific to bogbean alone, as such studies are lacking. It is included in traditional multi-component liquid extracts for dyspepsia, but detailed study design and outcomes are not provided.

## Historical & Cultural Context

Bogbean has been used for centuries in European traditional medicine as a bitter tonic to stimulate appetite and aid [digestion](/ingredients/condition/gut-health). Historical applications include treatments for rheumatism, anorexia, and as a hop substitute in beer.

## Synergistic Combinations

Gentian, Wormwood, Chamomile, Fennel, Peppermint

## Frequently Asked Questions

### What are the main active compounds in bogbean?

Bogbean contains iridoid glycosides (menyanthine, foliamenthin, loganin), secoiridoids, flavonoids (rutin, hyperoside), and phenolic acids including salicylic acid esters and caffeic acid. These compounds collectively account for its bitter digestive-stimulating, anti-inflammatory, and antioxidant properties. The iridoids are considered the primary markers of quality in standardized preparations.

### What is bogbean traditionally used for in European herbal medicine?

In European traditional medicine, bogbean has been used primarily as a bitter tonic to stimulate appetite and digestive secretions, and as a cholagogue to promote bile flow from the gallbladder. It has also been applied historically for rheumatic and joint complaints, likely due to its salicylate content, and as a supportive remedy for feverish conditions. Commission E and ESCOP herbal monographs recognize its traditional use for digestive insufficiency and loss of appetite.

### What is the recommended dosage for bogbean?

Traditional European herbal practice typically recommends 1–2 grams of dried bogbean leaf per cup as an infusion, taken two to three times daily before meals to maximize its appetite-stimulating bitter effect. Fluid extracts are generally dosed at 1–2 mL (1:1 in 25% ethanol) three times daily. No rigorously validated clinical dosing protocols exist, as large-scale human trials have not been conducted.

### Can bogbean interact with blood thinners or other medications?

Yes, bogbean contains salicylate derivatives that may have additive anticoagulant effects when combined with warfarin, heparin, aspirin, or other NSAIDs, potentially increasing the risk of bleeding. It may also theoretically enhance the secretion-stimulating effects of other cholagogues or prokinetic agents. Patients on anticoagulant therapy or with clotting disorders should consult a healthcare provider before using bogbean supplements.

### Is bogbean safe to take if you have stomach ulcers or acid reflux?

Bogbean is contraindicated in individuals with active gastric or duodenal ulcers and is not recommended for those with acid reflux or erosive esophagitis, because its mechanism of action — stimulating gastric acid and pepsin secretion via bitter receptor activation — can aggravate these conditions. It is similarly contraindicated in bile duct obstruction, as promoting bile flow in this context could be harmful. Individuals with inflammatory bowel disease should also avoid it due to potential irritation from its saponin content.

### Is bogbean safe to use during pregnancy or while breastfeeding?

Bogbean is not recommended during pregnancy or breastfeeding due to insufficient safety data and its traditional use as a digestive stimulant affecting multiple body systems. As a bitter herb that promotes bile flow and may have mild diuretic properties, it could potentially affect maternal and fetal physiology. Pregnant and nursing women should consult a healthcare provider before use.

### What form of bogbean supplement is most effective—dried leaf, extract, or tea?

Dried leaf preparations and standardized extracts are the most commonly used and studied forms of bogbean, with extracts offering concentrated levels of bitter compounds and salicylic acid. Tea or infusions made from dried bogbean leaves are also traditional and effective for stimulating digestive secretions, though extraction efficiency may vary. The choice depends on personal preference and therapeutic goals, as clinical evidence supports both traditional preparations and standardized extracts.

### Does bogbean lose its effectiveness or potency over time when stored?

Bogbean's bitter compounds and active constituents are best preserved when stored in cool, dry, and dark conditions, as light and moisture can degrade the herb's potency over time. Dried leaf material typically maintains effectiveness for 1–2 years with proper storage, while standardized extracts may have a longer shelf life due to their concentrated form. To ensure maximum benefit, it is advisable to source fresh supplies annually and store bogbean away from heat and direct sunlight.

---

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