Meadowsweet (Filipendula ulmaria): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does meadowsweet work to relieve pain and inflammation?

Meadowsweet contains salicylate compounds, specifically salicin, salicylaldehyde, and methyl salicylate, which act as precursors to salicylic acid in the body. These compounds inhibit cyclooxygenase (COX) enzymes, reducing prostaglandin production and thereby decreasing pain, fever, and inflammation. Unlike synthetic aspirin, meadowsweet also contains tannins and mucilage that may protect the gastric lining, potentially offering a gentler effect on the stomach. Evidence Level B supports these anti-inflammatory and analgesic mechanisms.

Does meadowsweet interact with blood thinners or aspirin?

Yes, meadowsweet can interact with anticoagulants and antiplatelet drugs like warfarin or aspirin. Because the herb contains natural salicylates, taking it alongside blood-thinning medications may increase the risk of bleeding. It should not be combined with NSAIDs or aspirin without medical supervision due to additive effects. Individuals with bleeding disorders or those scheduled for surgery should avoid meadowsweet. Always consult a healthcare provider before combining herbs with prescription medications.

What is the recommended dosage for meadowsweet tea or tincture?

The standard adult dosage for meadowsweet is 2 to 6 grams of dried herb prepared as a tea, taken three times daily. For liquid extracts, the recommended dose is 2 to 4 milliliters of tincture three times daily. It is generally advised to take meadowsweet with food to minimize any potential gastrointestinal upset. Dosage should be adjusted by a qualified herbalist or healthcare provider based on individual needs and specific health conditions.

Is meadowsweet safe to take during pregnancy?

No, meadowsweet is considered unsafe during pregnancy and breastfeeding. The salicylate content can cross the placenta and may pose risks to fetal development, including potential bleeding complications. Salicylates are also excreted in breast milk, posing a risk to nursing infants. Pregnant women should avoid this herb entirely and seek alternative remedies for digestive complaints or pain relief that are confirmed safe for gestational use.

Can I take meadowsweet if I am allergic to aspirin?

No, individuals with an aspirin allergy or sensitivity should strictly avoid meadowsweet. The herb contains salicylates, the same class of compounds found in aspirin, which can trigger similar allergic reactions. Cross-reactivity is common and may cause symptoms ranging from mild skin rashes and hives to severe anaphylactic reactions or bronchoconstriction. If you have a known sensitivity to salicylates or NSAIDs, consult a healthcare professional for alternative herbal options.

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

Meadowsweet (Filipendula ulmaria) is a medicinal plant from the Rosaceae family known for its antioxidant, anti-inflammatory, and potential anti-carcinogenic properties [PMID: 39456454, 27721054].

Background

Filipendula ulmaria, commonly known as meadowsweet, is a wild herbaceous flowering plant widely distributed in Europe [PMID: 37687176]. It is an essential oil-bearing plant that typically grows wild in floodlands [PMID: 36679011].

Traditional uses

It is used in traditional medicine to treat various diseases, including rheumatic, inflammatory, and tumor-related diseases [PMID: 39456454], and is employed in folk medicine for its antipyretic, analgesic, astringent, and anti-ulcer properties [PMID: 29132911, 27721054]. It is also traditionally used to treat urinary tract disorders [PMID: 34624904].

Active compounds

The plant contains a diverse range of phenolic compounds, including salicylic acid, rutin, p-coumaric acid, quercetin, rosmarinic acid, vanillic acid [PMID: 39456454], and spiraeoside [PMID: 25695410]. Other constituents include tannins, catechins [PMID: 27827272], and ellagitannins such as rugosin D, rugosin A, and tellimagrandin II [PMID: 23411280].

Mechanism of action

Meadowsweet exhibits anti-inflammatory activity through the inhibition of NF-κB activation and the inhibition of COX-1 and COX-2 enzymes [PMID: 37111776]. Certain ellagitannins act as non-competitive inhibitors of recombinant human histidine decarboxylase (HDC), which catalyzes the formation of histamine [PMID: 23411280].

Clinical evidence

Evidence DInflammatory diseases

Methanolic extracts from aerial parts and roots demonstrate in vitro and in vivo anti-inflammatory effects [PMID: 27721054]

Evidence DRadiation-induced carcinogenesis (rats)

A decoction of flowers inhibited the overall incidence of tumors in irradiated female rats [PMID: 27827272]

Evidence DMammary carcinogenesis (rats)

A decoction of meadowsweet showed inhibitory activity against mammary carcinogenesis induced by Methylnitrosourea [PMID: 29607788]

Evidence DNeurocarcinogenesis (rats)

Postnatal administration of a decoction inhibited neurogenic and renal tumors induced by ethylnitrosourea [PMID: 27838807]

Evidence DHyperglycemia and Insulin Resistance (rats)

Isolated rutin from F. ulmaria normalized blood glucose levels and the HOMA-IR index [PMID: 41892152]

Evidence summary

The current evidence is primarily based on in vitro studies and animal models (rats and mice), indicating strong antioxidant and anti-inflammatory potential, but there is a lack of human clinical trial data.

PubMed sources

1.PMID: 36145820 (2022) — Study of the Antioxidant Properties of Filipendula ulmaria and Alnus glutinosa. · Plants (Basel, Switzerland)
2.PMID: 34681821 (2021) — Phytoconstituents and Bioactivity of Plants of the Genus Spiraea L. (Rosaceae): A Review. · International journal of molecular sciences
3.PMID: 37111776 (2023) — In Vitro Biotransformation and Anti-Inflammatory Activity of Constituents and Metabolites of Filipendula ulmaria. · Pharmaceutics
4.PMID: 27827272 (2017) — The inhibitory effect of meadowsweet (Filipendula ulmaria) on radiation-induced carcinogenesis in rats. · International journal of radiation biology
5.PMID: 34997711 (2021) — Variable neuroprotective role of Filipendula ulmaria extract in rat hippocampus. · Journal of integrative neuroscience

Meadowsweet

Sources & Citations

Calculate a safe dose of Meadowsweet

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Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Evidence summary

PubMed sources

Government sources

Meadowsweet

Sources & Citations

Calculate a safe dose of Meadowsweet

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Slippery Elm

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Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Evidence summary

PubMed sources

Government sources