Galium odoratum
German May wine herb — dried leaves develop coumarin scent (vanilla/new-mown hay). Traditional in German May bowl (Maibowle). For insomnia, digestive upset, and varicose veins. Contains coumarin (anticoagulant precursor).
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Blood thinners (coumarin content), hepatotoxic drugs.
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Headache at high doses. Liver damage with chronic use. Safe in small culinary amounts.
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