# Meadowsweet (Filipendula ulmaria)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/meadowsweet
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** European
**Also Known As:** Filipendula ulmaria, Queen of the meadow, Bridewort, Meadwort, Lady of the meadow, Dropwort, Spirea ulmaria, Pride of the meadow

## Overview

Meadowsweet (Filipendula ulmaria) contains salicylates and flavonoids that inhibit cyclooxygenase enzymes, providing [anti-inflammatory](/ingredients/condition/inflammation) effects. In vitro studies show 32-63% COX-1 inhibition and 20-46% COX-2 inhibition at 50 µg/mL concentrations.

## Health Benefits

• [Anti-inflammatory](/ingredients/condition/inflammation) effects: Demonstrated COX-1 (32-63%) and COX-2 (20-46%) inhibition at 50 µg/mL in vitro, with rat studies showing significant reduction in paw edema comparable to indomethacin (preliminary evidence)
• Cancer prevention potential: Rat study showed 1.5-fold reduction in overall malignant tumor incidence and 2.2-fold reduction in mammary tumor multiplicity after 16 months of treatment (preliminary evidence)
• [Antioxidant activity](/ingredients/condition/antioxidant): Exhibited strong antioxidant capacity (10,605.91 μM TE/g dry extract) and protected against oxidative DNA damage in vitro (preliminary evidence)
• Pain management: Traditional use as analgesic supported by anti-inflammatory mechanisms, though human clinical data lacking (traditional/preliminary evidence)
• Cellular protection: Demonstrated antiproliferative effects in HepG2 tumor cells (IC50 88.16 µg/mL) suggesting potential protective properties (preliminary evidence)

## Mechanism of Action

Meadowsweet's salicylates, particularly methyl salicylate and salicylic acid, inhibit cyclooxygenase (COX-1 and COX-2) enzymes, reducing prostaglandin synthesis and inflammatory responses. The flavonoids quercetin and kaempferol provide additional [antioxidant activity](/ingredients/condition/antioxidant) by scavenging free radicals and modulating inflammatory cytokines. This dual mechanism creates synergistic [anti-inflammatory](/ingredients/condition/inflammation) effects similar to aspirin but with potentially fewer gastric side effects.

## Clinical Summary

In vitro studies demonstrate meadowsweet extract inhibits COX-1 by 32-63% and COX-2 by 20-46% at 50 µg/mL concentrations. Preliminary rat studies show significant reduction in paw edema comparable to indomethacin, indicating strong [anti-inflammatory](/ingredients/condition/inflammation) potential. Cancer prevention research in rats showed 1.5-fold reduction in overall malignancy markers, though this data appears incomplete. Most evidence remains preclinical, with limited human trials available to confirm therapeutic efficacy and optimal dosing protocols.

## Nutritional Profile

Meadowsweet (Filipendula ulmaria) is a medicinal herb consumed primarily as a tea or tincture, not as a food staple, so macronutrient intake is negligible in typical use. Key bioactive compounds drive its nutritional and therapeutic profile: Phenolic compounds are the dominant class, with total phenolic content measured at approximately 50–150 mg gallic acid equivalents (GAE)/g dry weight depending on plant part (flowers > leaves > stems). Salicylates: spiraein (salicylaldehyde glycoside) and monotropitin (methyl salicylate glycoside) are characteristic compounds at approximately 0.5–1.0% of dry flower weight, serving as natural precursors to salicylic acid — the basis for aspirin's original development from this plant. Flavonoids: quercetin, kaempferol, and their glycosides (spireoside/quercetin-4'-glucoside) are present at approximately 2–4% of dry flower weight; rutin is present at roughly 1–2% dry weight. Tannins: hydrolyzable tannins (ellagitannins) and condensed tannins at approximately 10–15% dry weight in aerial parts, contributing astringent properties. Phenolic acids: salicylic acid (~0.1–0.5 mg/g dry weight), ellagic acid, and caffeic acid derivatives. Essential oils: approximately 0.2–0.5% of fresh flower weight, containing salicylaldehyde (dominant, ~40–60% of volatile fraction), methyl salicylate, and benzaldehyde. Vitamin C: present in fresh plant material at approximately 150–200 mg/100g fresh weight (flowers), though degraded with drying and infusion preparation. Mineral content: moderate potassium (~300–400 mg/100g dry herb), calcium (~200–300 mg/100g), and magnesium (~50–80 mg/100g) based on comparable herbal analyses; iron and manganese present in trace amounts. Fiber: significant in whole plant material (~15–25% dry weight as structural carbohydrates), but not physiologically relevant in infusion/tincture form. Bioavailability notes: Salicylate glycosides require hydrolysis by gut microbiota or gastric acid to release active aglycones; bioavailability is estimated at 30–60% relative to free salicylic acid. Flavonoid glycosides undergo intestinal deglycosylation prior to absorption; quercetin bioavailability from glycoside forms is approximately 30–52% in human studies with comparable plant matrices. High tannin content may reduce absorption of iron and other minerals when consumed alongside meals. Polyphenols exhibit [antioxidant activity](/ingredients/condition/antioxidant) with DPPH radical scavenging IC50 values reported at approximately 10–30 µg/mL for flower extracts.

## Dosage & Preparation

Animal studies used flower decoction at 1 g/kg body weight daily for chemoprevention, and methanolic extracts from aerial parts or roots at 100-200 mg/kg body weight for [anti-inflammatory](/ingredients/condition/inflammation) effects. No human dosage data or standardization information is available from clinical studies. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Meadowsweet contains natural salicylates and may cause adverse reactions in individuals with salicylate sensitivity or aspirin allergies. It may enhance anticoagulant effects when combined with warfarin or other blood-thinning medications due to salicylate content. Gastrointestinal irritation, though reportedly less common than with synthetic salicylates, may still occur with high doses. Pregnancy and breastfeeding safety data is insufficient, and use should be avoided during these periods.

## Scientific Research

Evidence for meadowsweet is limited to animal and in vitro studies, with no human clinical trials identified. Key research includes a 16-month rat chemoprevention study (n=103) showing tumor reduction, and [anti-inflammatory](/ingredients/condition/inflammation) studies in rat models demonstrating effects comparable to indomethacin. While one human RCT examined a combination beverage containing meadowsweet with chamomile and willow bark, meadowsweet-specific results were not reported.

## Historical & Cultural Context

Meadowsweet has been used throughout European folk medicine for inflammatory conditions, serving as an antipyretic, analgesic, astringent, and anti-rheumatic agent. Its documented traditional use spans most European countries, particularly for treating [inflammation](/ingredients/condition/inflammation) and associated symptoms.

## Synergistic Combinations

Willow bark, Chamomile, Turmeric, Boswellia, Ginger

## Frequently Asked Questions

### How much salicylate does meadowsweet contain?

Meadowsweet contains 0.2-0.74% total salicylates, primarily as methyl salicylate and salicylic acid derivatives. This concentration provides therapeutic anti-inflammatory effects while being generally milder than synthetic aspirin.

### Can meadowsweet replace aspirin for pain relief?

While meadowsweet contains natural salicylates with similar mechanisms to aspirin, clinical evidence for pain relief remains limited to animal studies. It should not replace prescribed medications without medical supervision.

### What is the recommended meadowsweet dosage?

Traditional herbalism suggests 2-6 grams of dried herb daily or 2-4 mL of liquid extract three times daily. However, standardized clinical dosing guidelines are not established due to limited human trials.

### Does meadowsweet cause stomach problems like aspirin?

Meadowsweet traditionally causes fewer gastric side effects than synthetic aspirin, possibly due to protective mucilaginous compounds and tannins. However, individuals with salicylate sensitivity should still exercise caution.

### How long does it take for meadowsweet to work?

Based on its salicylate content and traditional use, anti-inflammatory effects may begin within 1-2 hours of consumption. However, specific onset timing has not been established in controlled human studies.

### What does research show about meadowsweet's anti-inflammatory mechanisms?

In vitro studies demonstrate that meadowsweet inhibits COX-1 (32-63%) and COX-2 (20-46%) at 50 µg/mL, the same enzymes targeted by NSAIDs like ibuprofen and aspirin. Animal studies in rats showed meadowsweet reduced paw edema comparably to indomethacin, a prescription anti-inflammatory drug, suggesting significant anti-inflammatory potential. However, these results are preliminary and require human clinical trials to confirm efficacy and optimal dosing.

### Who should avoid meadowsweet due to salicylate sensitivity?

Individuals with salicylate sensitivity or intolerance should avoid meadowsweet, as it contains naturally occurring salicylates that may trigger reactions including rashes, asthma, or digestive symptoms. People with aspirin allergy may also experience cross-reactivity since meadowsweet's salicylates work through similar biochemical pathways. Those with diagnosed histamine intolerance should consult a healthcare provider before use, as some herbal preparations may contain compounds that affect histamine metabolism.

### What is the difference between meadowsweet extract and dried herb for supplement use?

Meadowsweet extracts concentrate the active compounds (salicylates, flavonoids, and tannins) into smaller doses, potentially offering more consistent potency per serving compared to whole dried herb. Standardized extracts provide measurable levels of key constituents, while dried herb preparations vary in potency depending on harvest time, plant part used, and storage conditions. Extract forms typically have faster absorption, though dried herb infusions may provide additional benefits from the full plant matrix including fiber and secondary metabolites.

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