🌬 Written by the BreathiZen Wellness Desk📅 Updated September 2026✅ Every ingredient checked against the label
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Ingredient Science

Mullein, Explained: The Primary Respiratory-Support Ingredient

By the BreathiZen Wellness Desk · · 6 min read

In Short

Mullein Leaf Extract 10:1 is the ingredient BreathiZen credits most directly with supporting clear airways and lung tissue.

Understanding what this traditional herb's research genuinely supports helps set realistic expectations.

A long traditional use history

Mullein (Verbascum thapsus) has centuries of traditional use across European, Native American and Ayurvedic wellness practices, specifically for respiratory support. Research indexed on PubMed covers its traditional applications.

What its compounds are thought to do

Mullein leaves contain saponins, believed to act as natural expectorants supporting mucus balance; mucilage, a gel-like substance thought to soothe respiratory mucous membranes; and flavonoids, providing general antioxidant activity.

What “10:1 extract” means

A 10:1 extract ratio means roughly ten parts of raw plant material were concentrated down to one part of finished extract, indicating a more concentrated preparation than a simple dried-leaf powder. It does not, by itself, tell you the milligram amount included in a serving.

A fair summary: Mullein has a genuine, centuries-long traditional use for respiratory support, and modern research on its compounds is ongoing. What isn't available is a milligram figure specific to Mullein within BreathiZen's 154mg blend.

Applying this to BreathiZen

Mullein Leaf Extract 10:1 is one of the three ingredients in BreathiZen's formula, genuinely tied to traditional respiratory support, though its specific share of the 154mg blend isn't disclosed.

About this article: written by the BreathiZen Wellness Desk for general information. It is not medical advice. This is an independent site and earns a commission on purchases through links to the official seller — see our editorial standards.
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