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UsneaFind ProductsAlso indexed as:Usnea barbata  © Martin WallBotanical names: Usnea barbataHow It WorksUsnic acid gives usnea its bitter taste and also acts as an antibiotic in test tube studies.2 Test tube studies have suggested an anti-cancer activity for usnic acid. However, this action has not been sufficient to warrant further investigation in humans.3 Usnea also contains mucilage, which may be helpful in easing irritating coughs. Again, this has not been studied in humans. How to Use ItUsnea, 100 mg three times per day, can be taken in capsules.4 Tincture, 3–4 ml three times per day, can also be used. Copyright © 2025 TraceGains, Inc. All rights reserved. Learn more about TraceGains, the company. 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 2025. |