Usnea

Modern research supports Usnea's antimicrobial properties, primarily due to usnic acid, but human evidence for common wellness uses is limited, and significant safety concerns regarding liver toxicity exist with oral ingestion.

Benefits

Antimicrobial (antibacterial
antifungal
antiviral)
anti-inflammatory
analgesic
antioxidant
wound healing
respiratory support
immune defense
skin healing

Key compounds

Usnic acidisousnic acids

May help with

Historically used in TCM for infections
wounds
and respiratory issues
also in Unani and other systems for pain
fever
and various ailments without implying proven medical efficacy.

Best for these goals

Antimicrobial (antibacterialantifungalantiviral)anti-inflammatoryanalgesicantioxidantwound healingrespiratory supportimmune defenseskin healing

How to use it

Tincture, tea, infused oil, salve, wound powder, skin creams, vaginal insertions, douches, mouthwashes, extracts

Evidence level

Safety concern

Cautions & interactions

Oral ingestion is possibly unsafe due to usnic acid-induced liver damage (hepatotoxicity); not enough information on safety during pregnancy and breastfeeding; allergic reactions can occur when applied to the skin. | Interactions: Usnea potentiates the function of clarithromycin; no other major interactions documented; use standard caution.

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Educational information only — not medical advice, and not evaluated by the FDA. These statements are not intended to diagnose, treat, cure, or prevent any disease. Talk to a qualified healthcare provider before using any ingredient therapeutically, especially if pregnant, nursing, or taking medication.

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