Usnea
© Martin WallParts Used & Where Grown
Usnea, also known as old man’s beard, is not a plant but a lichen—a symbiotic relationship between an algae and a fungus. The entire lichen is used medicinally. Usnea looks like long, fuzzy strings hanging from trees in the forests of North America and Europe, where it grows.
- Reliable and relatively consistent scientific data showing a substantial health benefit.
- Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
- For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.
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This supplement has been used in connection with the following health conditions:
| Used for | Amount | Why |
|---|---|---|
Common Cold and Sore Throat | Refer to label instructions |  [1 star] Usnea has a traditional reputation as an antiseptic and is sometimes used for people with common colds. |
Cough | Refer to label instructions | [1 star] Usnea contains mucilage, which may be helpful in easing irritating coughs. |
Infection | Refer to label instructions | [1 star] Usnea is an herb that directly attack microbes. |
Traditional Use (May Not Be Supported by Scientific Studies)
Due to its bitter taste, usnea stimulates digestion and was historically used by herbalists to treat indigestion. It was also reportedly used over 3,000 years ago in ancient Egypt, Greece, and China to treat unspecified infections.1
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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2024.