MULLEIN (Verbascum thapsus) *Organic herb for horses - lung-supporting, cough-soothing, airway-clearing
Benefits of Mullein for Horses
When horses start coughing, owners often assume the lungs are the problem.
But many respiratory challenges are really about irritation, mucus, dust, pollen, and the body's natural housekeeping systems becoming overwhelmed. And that's where mullein has earned its reputation.
Mullein is probably the lungs' best friend - for centuries, herbalists have turned to this tall, soft-leaved plant whenever the respiratory system needs a little extra support, and it remains one of the best-loved herbs for horses facing seasonal respiratory challenges.
Available as both a dried herb and a fast-absorbing tincture, it's a simple, versatile botanical that fits easily into many respiratory support plans - a timeless botanical for supporting respiratory comfort in horses.
*Please note this is a nutritional, functional horse food supplement and not veterinary medicine. See Dr Kellon's Horse Sense - 'Nutrition is not 'Alternative' Therapy.
Find Mullein in the EquiNatural range
You'll also find mullein in:
- BreathePlus - targeted support for compromised breathing and respiratory strain
- KoffTonic - cough-calming, airway-soothing support
Composition & feed guide
💧Organic Mullein tincture
Our human-grade tinctures give you a ready-to-absorb potent source of phytonutrients at the highest-strength available, for immediate absorption straight into the bloodstream and to the body’s cells.
- Verbascum thapsus, Leaf
- Infused 1:3 35%
- Wild Harvested
- Feed Guide - 6ml/100kg bodyweight, daily in feed.
🌿Organic Mullein herb (dried)
- Verbascum thapsus (Mullein), Leaf
- Wild Harvested
- Origin Albania
- Feed Guide - 5g/100kg bodyweight per day, i.e.25g/day for a 500kg horse.
Functional nutritional value
Constituents: Flavonoids, mucilage, triterpenoid saponins, tannins, volatile oil, glycosides, carbohydrates, proteins, fats and fixed oils, iridoid compounds, vitamins and minerals.
Footnotes
- Laboratory tested for identification and compliance to the British and European Pharmacopoeia standards.
- Human grade.
- Please be aware that if you're purchasing our dried botanicals for human use, our dried range is cut to appropriate sizes for feeding to horses.
- ♻️ Eco Note: Our packaging is recyclable and refillable.
- 🧊 Storage Tip: Keep cool and dry.
Energetic architecture - the synergy behind Mullein
Energetic Architecture explains how a herb supports the body's natural functions in a balanced and purposeful way - and Mullein occupies a special place within traditional respiratory herbalism.
Rather than acting as a stimulant or suppressor, it is valued for supporting respiratory comfort and the lungs' natural housekeeping processes.
Whether the challenge comes from dust, pollen, seasonal irritants, or environmental pressures, Mullein has long been used to help maintain airway comfort and resilience.
Functional intent
Mullein is designed to support:
- Respiratory comfort and ease of breathing
- Healthy mucus balance and clearance
- Airway resilience during environmental challenges
- Soothing support for the respiratory tract
- Long-term respiratory wellbeing
Functional categories – respiratory support in action
- Airway comfort & respiratory resilience - supporting comfort throughout the respiratory tract and helping maintain normal airway function.
- Mucus balance & natural clearance - traditionally valued for supporting the body's natural movement and clearance of excess mucus from the airways.
- Respiratory tract soothing - providing gentle support for tissues exposed to seasonal, environmental, or respiratory challenges.
- Everyday lung support - supporting the wider respiratory system during periods of dust exposure, pollen pressure, or seasonal change.
Big picture
Mullein's role is to support the lungs' natural housekeeping, helping maintain clearer, more comfortable airways over time.
Put simply, healthy breathing depends on healthy housekeeping.
Clinical considerations
Advisories
- If your horse is receiving bronchodilators or corticosteroids, veterinary guidance is recommended before concurrent use.
Contraindications
- Always check with your vet before feeding mullein to the pregnant or nursing mare.
Mullein in history & tradition
The plant that looks exactly like it feels
Mullein is one of those rare plants that almost tells you what it does the moment you touch it.
If you've ever run your fingers over a mullein leaf, you'll know exactly what I mean - soft, velvety, almost wool-like. It's no coincidence that generations of herbalists associated this plant with soothing, comfort, and protection. Even its traditional nicknames - blanket herb, velvet dock, and flannel plant - hint at the same idea.
And once you've seen a mature mullein standing proudly beside a country lane, it's hard not to fall a little bit in love with it.
I certainly do. Every summer I'm ridiculously excited when I spot a regular mullein plant bursting it's tall yellow flower spikes on the pavement when you walk down town in Wells.
A plant that has travelled through centuries
Mullein has been accompanying people for a very long time. Ancient Greek physicians wrote about it, medieval herbalists valued it, native American traditions found uses for it. And across Europe it became one of the most familiar herbs for supporting the respiratory system.
What's fascinating is how many different cultures arrived at remarkably similar conclusions. Yet again and again, people noticed that mullein seemed particularly suited to supporting the lungs and airways.
When completely separate traditions keep reaching for the same plant for similar reasons, it's usually worth paying attention.
What herbalists noticed long before laboratories
Long before anyone started talking about respiratory physiology, mucus clearance, or phytochemistry, herbalists were simply observing.
They noticed that mullein seemed to have a particular affinity for the respiratory tract - a plant that seemed to support the body's own natural housekeeping.
And I think that's one of the reasons mullein has remained so respected - it works with the body's existing systems rather than trying to override them.
Traditional herbalists often described mullein as soothing, moistening, and comforting - qualities that still feel remarkably relevant when we think about healthy respiratory function today.
Why Mullein still matters for modern horses
Many respiratory challenges aren't really about the lungs themselves - they're about what the lungs are being asked to deal with.
Dust, pollen, dry forage, environmental irritants - the constant stream of tiny particles that horses encounter every single day.
Healthy lungs are remarkable housekeeping machines - they're continually clearing, filtering, moving, and protecting - and that's exactly why mullein fits so beautifully into modern respiratory support.
For centuries, herbalists recognised it as a plant that helps support those natural housekeeping processes.
Modern science may describe things differently, but the observation remains much the same - mullein supports the systems that help keep breathing comfortable.
Which is probably why this tall, velvety roadside plant has remained one of the most trusted respiratory herbs for generations.
And why you'll find it woven throughout so many of our respiratory formulations today.
© EquiNatural 2026. All content is original work protected under copyright, and may not be re-published, duplicated, or rewritten for commercial use without permission.
