The dried and cut root is gently boiled in water for a few minutes, then left to infuse off the heat before being strained. This traditional preparation requires the advice of a qualified professional before any use, as the plant is poorly documented. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
The fresh or dried root is macerated in alcohol for several weeks away from light, then strained. This concentrated form, formerly used by drops, absolutely requires the guidance of an experienced practitioner. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.
Seseli libanotis is still found in the wild on certain limestone hillsides and dry grasslands of Europe, but it remains rare in commercial herbalism; its root can occasionally be found at herbalists specializing in rare plants.
The root is traditionally harvested in autumn, after flowering, when the plant has concentrated its active compounds in its underground parts.