Inula

Botanical

What is it

Inula is a genus of flowering plants in the Asteraceae family. The most medicinally important species is Inula helenium (elecampane), used historically for respiratory and digestive complaints.

Evidence for 1 use

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

Respiratory and digestive support (traditional use)

Mixed Evidence

Long traditional record; controlled human trials are sparse.

How it works

Inula species contain sesquiterpene lactones (notably alantolactone), essential oils, and the soluble fiber inulin (named after this genus). Laboratory studies suggest the sesquiterpene lactones have antimicrobial, anti-inflammatory, and antiparasitic activity. The whole plant is traditionally used as an expectorant. Human clinical evidence for therapeutic use of inula species is limited; most knowledge comes from traditional practice and in vitro/animal research.

Dosage

No established RDA. Traditional dosing varies by preparation; typical dried root doses are 1.5-4 g per day.

When and how to take it

WHEN: Often divided into 2-3 doses per day. HOW: With water; food may reduce stomach upset.

1 commercial form

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

Dried root preparations

Most common preparation across traditional formulas.

Inulin and sesquiterpene lactones extracted by water and alcohol.

Safety

Sesquiterpene lactones can cause allergic contact dermatitis. People with Asteraceae allergies (ragweed, daisies, chamomile) are at higher risk of allergic reactions. Generally safe in traditional doses for short-term use.

Who should be cautious

Avoid in pregnancy, breastfeeding, and Asteraceae allergy. Use only short-term without medical guidance.

Interactions

Limited data. Possible interaction with sedatives based on traditional use.

Frequently asked questions

Is inula the same as elecampane?⌄

Elecampane is one species (Inula helenium) in the inula genus. Most medicinal use of 'inula' refers to elecampane.

References

Inula on Wikidata — Wikidata link

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

Research on Inula (PubMed search) — PubMed link

Track Inula with Pilora

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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.