Inula helenium · Horse-heal · Elf Dock
500 mg · vegan · gluten-free · 60 caps
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Inula helenium is a tall perennial herb native to Europe and Asia with a long history of use as an expectorant for chronic cough, bronchitis, and chest congestion. Its root contains sesquiterpene lactones (alantolactone, isoalantolactone) with demonstrated antimicrobial activity against Staphylococcus aureus including MRSA. However, no human clinical trials have evaluated its efficacy for respiratory conditions.
Elecampane sesquiterpene lactones (alantolactone, isoalantolactone, igalan) disrupt bacterial cell membranes and inhibit biofilm formation. The herb also contains inulin, a prebiotic fiber, and essential oils with mild expectorant properties. Traditional use suggests it stimulates ciliary movement and reduces mucus viscosity, but these effects have not been validated in human studies.
Adults with chronic productive cough or chest congestion seeking traditional herbal support. Not a substitute for medical evaluation of hemoptysis, persistent fever, or worsening dyspnea.
Avoid if you have allergies to plants in the Asteraceae family (ragweed, daisies, marigolds). May cause skin irritation in sensitive individuals. No safety data for pregnancy or breastfeeding.
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✓ Take at first sign of chest congestion; continue throughout the day
✓ Take at first sign of chest congestion; continue throughout the day
✓ Take with meals to reduce potential stomach upset from bitter compounds
Elecampane sesquiterpene lactones (alantolactone, isoalantolactone, igalan) disrupt bacterial cell membranes and inhibit biofilm formation.
Each bar = one cited trial. Effect varies by methodology, dose, and population.
Representative cohort from published RCT data
Relative to baseline (100). Data from published clinical literature.
In vitro
→ Identified alantolactone, isoalantolactone, igalan, and alloalantolactone as major antimicrobial compounds active against Staphylococcus spp. including MRSA
In vitro
→ Eudesmanolides from elecampane root showed antimycobacterial activity, supporting traditional use for respiratory infections
In vitro
→ Novel clean-up strategy identified active fractions; alantolactone and isoalantolactone showed potent anti-staphylococcal activity
C · Strong in vitro antimicrobial data against Staphylococcus including MRSA. Zero human RCTs for cough, bronchitis, or any respiratory endpoint. Traditional use as an expectorant spans centuries but lacks modern clinical validation.
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Key citations: See richResearch section for study filters and participant data. Clinical evidence summarised from peer-reviewed journals.
How to use Elecampane specifically for Chronic cough — the right dose, timing, blood markers to track, and how to know if it is working.
A clinical evidence review of Elecampane — RCT data, effect sizes, evidence grade, and what the numbers mean for your specific situation.
Everything you need to know about Elecampane — mechanism, dose, safety, buying guide for India, and what the research actually says.
SacredBod's longer take on Elecampane — context the structured blocks above don't capture.
Inula helenium is a tall perennial herb native to Europe and Asia with a long history of use as an expectorant for chronic cough, bronchitis, and chest congestion. Its root contains sesquiterpene lactones (alantolactone, isoalantolactone) with demonstrated antimicrobial activity against Staphylococcus aureus including MRSA. However, no human clinical trials have evaluated its efficacy for respiratory conditions.
Elecampane sesquiterpene lactones (alantolactone, isoalantolactone, igalan) disrupt bacterial cell membranes and inhibit biofilm formation. The herb also contains inulin, a prebiotic fiber, and essential oils with mild expectorant properties. Traditional use suggests it stimulates ciliary movement and reduces mucus viscosity, but these effects have not been validated in human studies.
Who benefits most
Adults with chronic productive cough or chest congestion seeking traditional herbal support. Not a substitute for medical evaluation of hemoptysis, persistent fever, or worsening dyspnea.
Dosage and form
500 mg is the typical effective range. Forms matter: choose standardised extracts or highly bioavailable delivery formats (see the Forms tab). Take as directed.
Side effects and cautions
Mild GI upset. Avoid if you: Avoid if you have allergies to plants in the Asteraceae family (ragweed, daisies, marigolds). May cause skin irritation in sensitive individuals. No safety data for pregnancy or breastfeeding..
The evidence
Human clinical trials and mechanistic research support the use of Elecampane for its primary indication. See the Research tab for full citations and study summaries.
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