Mullein Tea: Possible Health Effects and Safety

Latest Update

Benefits of Mullein Tea?

Written by Meredith Worthington, Ph.D. — Medically reviewed and edited by Tod Cooperman, M.D.

Updated October 21, 2024 ⓘ

a cup of mullein tea on a table next to mullein flowers and leaves

Answer:

Despite laboratory research suggesting that mullein tea may be useful for a variety of respiratory, infectious, and other conditions (Gupta, Phytother Res 2022; Riaz, Rev Bras Farmacogn 2013), there is very little clinical research to support these uses.

We discuss this in more detail in our full article, covering mullein tea for reducing hoarseness, coughing, bronchitis, whooping cough, symptoms of tuberculosis, COVID-19, the flu, herpes simplex virus, asthma and allergies, diarrhea, as well as its potential antibacterial and anticancer effects.

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In addition the results of its expert testing, ConsumerLab uses only high-quality, evidence based, information sources. These sources include peer-reviewed studies and information from agencies such as the FDA and USDA, and the National Academy of Medicine. On evolving topics, studies from pre-print journals may be sourced. All of our content is reviewed by medical doctors and doctoral-level experts in pharmacology, toxicology, and chemistry. We continually update and medically review our information to keep our content trustworthy, accurate, and reliable. The following sources are referenced in this article: