Common Plantain

BotanicalBest taken away from food

What is it

Common plantain (Plantago major) is a low-growing weedy herb whose leaves have a long folk-medicine history for soothing skin and minor inflammation. It is unrelated to the banana-like plantain fruit.

Evidence for 2 uses

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Minor skin irritation and wounds

Limited Evidence

Topical plantain leaf preparations have a long traditional record for soothing bites, scrapes, and mild rashes. Small studies and animal models support anti-inflammatory and wound-supportive effects, but rigorous human trials are limited.

Cough and throat irritation

Limited Evidence

European herbal monographs include plantain leaf for mild upper-airway irritation based on its mucilage content. Clinical evidence is mostly small or older studies.

How it works

Plantago major leaves contain mucilage, iridoid glycosides (aucubin), flavonoids, and tannins. Topically the mucilage forms a film that may calm irritation, and aucubin has shown antimicrobial and anti-inflammatory activity in lab studies. Internally it acts as a mild demulcent and astringent on mucous membranes. Human evidence is largely traditional rather than clinical, so most mechanistic claims come from in-vitro and animal data.

Dosage

There is no established RDA. Traditional dosing is roughly 3-6 g of dried leaf as tea, or 2-4 mL of tincture, two or three times daily. Topical preparations are applied as needed. Most commercial products are liquid or dry leaf extracts without standardized actives.

When and how to take it

No specific timing requirement. Teas and tinctures are typically taken between meals; topical preparations as needed.

3 commercial forms

Compare the main delivery options and what they’re best suited for.

Dried leaf / tea

Traditional preparation for internal use.

Mucilage and water-soluble actives extract well in hot water.

Liquid extract / tincture

Common in modern herbal practice.

Alcohol-water extracts capture both polar and non-polar constituents.

Topical ointment or poultice

Used for skin complaints.

Acts locally; systemic absorption is minimal.

Safety

Plantain leaf is generally well tolerated. Occasional reports of skin reactions or mild GI upset exist. Contamination with foxglove (digitalis) in raw plant material has caused poisonings in the past, so source quality matters. Not assessed for high-dose long-term use.

Who should be cautious

Pregnant and breastfeeding women lack safety data and should avoid concentrated extracts. People with known allergies to Plantaginaceae plants should avoid it.

Interactions

No well-documented drug interactions. Theoretical additive effects with diuretics or lithium have been suggested but are not clinically confirmed.

Food sources

Young plantain leaves (foraged)

Amount
small handful
%DV
—

Frequently asked questions

Is common plantain the same as the banana-like plantain?⌄

No. Common plantain is the weedy herb Plantago major. The cooking plantain is Musa paradisiaca, a banana relative. They are unrelated.

Can I use plantain leaf for bug bites?⌄

Crushed fresh leaves applied to bites are a long-standing folk remedy and many people find them soothing, though formal trial evidence is limited.

References

Common Plantain on Wikidata — Wikidata link

Common Plantain on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Common Plantain (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.