The Sunlight Experiment

Compound Monograph

Usnic acid

Other Constituents

A yellow dibenzofuran compound produced by lichens that gives them antibacterial and antifungal activity; it is notably hepatotoxic and has caused liver injury when taken in concentrated weight-loss supplements.

Sources · 2

Where Does It Come From?

Usnic acid is one of the other constituents, found in Old man’s beard and Usnea.

Source Usnea Usnea spp. Herb monograph →
Also found in
Old man’s beard Monograph coming soon

Concentration

Content by Source

Concentrations not reported. No percent-dry-weight or mg/g figures have been published for this compound in its source plants.

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