# Lady's Bedstraw (Galium verum)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/lady-s-bedstraw
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** European
**Also Known As:** Galium verum, Yellow Bedstraw, Our Lady's Bedstraw, Maid's Hair, Cheese Rennet, Yellow Cleavers, Petty Muguet, Gaillet jaune, Echtes Labkraut, Cuajaleche, True Bedstraw

## Overview

Lady's Bedstraw (Galium verum) is a European herb rich in iridoids, flavonoids, and asperuloside that exerts antioxidant and cardioprotective effects. Its primary mechanisms involve scavenging [reactive oxygen species](/ingredients/condition/antioxidant) and modulating [inflammatory pathway](/ingredients/condition/inflammation)s to reduce oxidative cardiac damage.

## Health Benefits

• Improves skin symptoms in psoriasis models (PMID: 40806422) [Preclinical evidence]. • Reduces oxidative stress and cardiac dysfunction in rat models (PMID: 39894905) [Preclinical evidence]. • Exhibits cardioprotective effects, maintaining cardiac contractility (PMID: 40806422) [Preclinical evidence]. • Inhibits cancer cell growth and protects keratinocytes from DNA damage (PMID: 24366449) [Preclinical evidence]. • Demonstrates [antioxidant activity](/ingredients/condition/antioxidant) via various assays (DPPH, ABTS, FRAP) [Preclinical evidence].

## Mechanism of Action

Lady's Bedstraw contains asperuloside, luteolin, and quercetin derivatives that inhibit [lipid peroxidation](/ingredients/condition/antioxidant) and scavenge superoxide and hydroxyl radicals, reducing oxidative stress at the cellular level. Its flavonoids modulate NF-κB signaling to suppress [pro-inflammatory cytokine](/ingredients/condition/inflammation) release, contributing to cardioprotective outcomes. Additionally, iridoid glycosides like asperuloside may influence [collagen synthesis](/ingredients/condition/skin-health) pathways relevant to skin barrier function in psoriasis-like models.

## Clinical Summary

Current evidence for Lady's Bedstraw is limited exclusively to preclinical studies, with no published human clinical trials as of 2025. Rat model studies (PMIDs 40806422, 39894905) demonstrated reductions in [oxidative stress](/ingredients/condition/antioxidant) markers and improvements in cardiac contractility parameters under induced cardiac dysfunction conditions. A psoriasis model study (PMID 40806422) reported measurable improvements in skin symptom scores alongside the cardioprotective findings. The overall evidence base is preliminary, and extrapolation to human therapeutic use requires significant caution until controlled clinical trials are conducted.

## Nutritional Profile

Lady's Bedstraw (Galium verum) is a herb with limited formal nutritional analysis, but its known bioactive composition is well-characterized. Primary bioactive compounds include iridoid glycosides (asperuloside, monotropein), flavonoids (luteolin, quercetin, rutin, kaempferol — collectively estimated at 0.5–2% dry weight), and anthraquinones (alizarin, purpurin, nordamnacanthal — particularly concentrated in roots, ~1–3% dry weight). Tannins are present at approximately 3–8% dry weight, contributing astringent properties. Phenolic acids include chlorogenic acid and caffeic acid derivatives. The aerial parts contain coumarins (including umbelliferone) and saponins in trace amounts. Citric acid and gallotannins contribute to its acidic profile and historically enabled its use as a milk-curdling agent (rennet substitute), suggesting enzymatic-like protease activity. Vitamin C is present in modest amounts (estimated 10–30 mg/100g fresh weight, consistent with related Rubiaceae herbs). Silica, potassium, and calcium are the predominant minerals. Essential oils (linalool, geraniol) are present at <0.1% in aerial parts. Bioavailability: flavonoids and iridoids are generally well-absorbed via intestinal glucosidases; anthraquinones exhibit variable absorption depending on gut microbiota composition. Chlorophyll derivatives are present in green aerial parts. No standardized macronutrient (protein, fat, carbohydrate) data is available in published nutritional databases for this species, as it is used medicinally rather than as a dietary staple.

## Dosage & Preparation

No clinically studied dosages in humans. Preclinical studies used topical applications and in vitro concentrations of 15-200 µg/mL. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

No formal human safety trials for Lady's Bedstraw supplements exist, making definitive risk profiling impossible at this time. Theoretical concerns include potential interaction with anticoagulant drugs such as warfarin, given the flavonoid content which may inhibit platelet aggregation at high doses. Pregnancy and breastfeeding safety is unestablished and use should be avoided in these populations due to lack of data. Individuals with known plant allergies in the Rubiaceae family should exercise caution, and anyone on cardiac medications should consult a healthcare provider before use.

## Scientific Research

No human clinical trials or meta-analyses were identified; all evidence is preclinical, focusing on in vitro and rat models. Key studies include psoriasis and [cardiovascular](/ingredients/condition/heart-health) improvements in rats (PMIDs: 40806422, 39894905).

## Historical & Cultural Context

Lady's Bedstraw has been used in European and Asian traditional medicine as a decoction for diuretic, [anti-inflammatory](/ingredients/condition/inflammation), [antimicrobial](/ingredients/condition/immune-support), and anticancer purposes. Its historical use aligns with modern preclinical findings on infections and inflammation.

## Synergistic Combinations

Green tea, turmeric, ginger, rosemary, chamomile

## Frequently Asked Questions

### What is Lady's Bedstraw used for traditionally in European medicine?

In European traditional medicine, Lady's Bedstraw (Galium verum) was historically used as a diuretic, for wound healing, and to address skin conditions including inflammation. It was applied topically as a poultice and consumed as a tea, with documented use in folk practices across Britain and Central Europe. Modern preclinical research has begun investigating its cardioprotective and antioxidant properties, partially corroborating its traditional anti-inflammatory applications.

### What are the active compounds in Lady's Bedstraw?

The primary bioactive compounds in Lady's Bedstraw include the iridoid glycoside asperuloside, as well as flavonoids such as luteolin, quercetin, and rutin. The plant also contains tannins, organic acids including citric acid, and anthraquinone derivatives. Asperuloside and the flavonoid fraction are considered the key contributors to the herb's antioxidant and anti-inflammatory activity observed in preclinical studies.

### Is there any clinical trial evidence supporting Lady's Bedstraw for heart health?

As of 2025, there are no published human clinical trials evaluating Lady's Bedstraw for heart health; all cardioprotective evidence comes from rat model studies (e.g., PMID 39894905). These preclinical studies showed that Galium verum extracts reduced markers of oxidative cardiac dysfunction and helped maintain cardiac contractility under experimentally induced stress. Until randomized controlled human trials are conducted, its cardioprotective use in humans remains speculative.

### Can Lady's Bedstraw help with psoriasis?

Preclinical data from a psoriasis model study (PMID 40806422) suggests that Galium verum extracts can reduce skin symptom severity, likely through anti-inflammatory and antioxidant mechanisms involving flavonoid-mediated NF-κB inhibition. However, this evidence is derived from animal or cell-based models, and no human dermatology trials have been completed. Individuals with psoriasis should not substitute it for established treatments without guidance from a dermatologist.

### What is the recommended dosage of Lady's Bedstraw supplement?

No clinically validated dosage for Lady's Bedstraw supplements has been established, as human pharmacokinetic and dose-finding trials have not been conducted. Traditional European herbalism typically used dried herb preparations of 2–4 grams steeped as tea, or topical poultice applications, but these amounts lack standardization. Until robust clinical data exists, any supplemental use should be discussed with a qualified healthcare provider, and standardized extract products should be preferred over unquantified raw herb forms.

### Does Lady's Bedstraw interact with heart medications or blood thinners?

Lady's Bedstraw has traditionally been used to support cardiovascular function, but there is limited clinical data on specific drug interactions with common heart medications or anticoagulants. If you are taking prescription medications for heart health or blood clotting disorders, consult your healthcare provider before adding Lady's Bedstraw supplementation to avoid potential interactions. The herb's cardioprotective mechanisms observed in animal models do not yet have established safety profiles in combination with pharmaceuticals.

### Is Lady's Bedstraw safe during pregnancy and breastfeeding?

Lady's Bedstraw has a long history of traditional use in European herbalism, but clinical safety data specifically for pregnancy and breastfeeding is limited. Pregnant and breastfeeding women should consult with a healthcare provider before using Lady's Bedstraw supplements, as adequate safety studies in these populations have not been conducted. Traditional use does not guarantee safety during these sensitive periods.

### What is the difference between Lady's Bedstraw root and aerial parts for skin health?

Lady's Bedstraw's aerial parts (stems and leaves) and roots have been used differently in traditional medicine, with the plant showing anti-inflammatory and antioxidant properties that benefit skin in both forms. Preclinical research demonstrates improvements in psoriasis-related skin symptoms, though studies have not directly compared the efficacy of root versus aerial part extracts. The choice between forms may depend on traditional preparation methods and product availability, as standardized clinical comparisons are not yet available.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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