It is a preparation that contains: Willow, bark (Salix sp.).
It is a tree that grows in humid areas throughout Europe.
Its bark is rich in phenolic compounds, among which salicin stands out.
Modern technological processes make it possible to enrich the active principles of the bark and obtain a dry extract with a high and constant concentration of active principles standardized to 15% salicin.
Secondary roots (Harpagophytum procumbens DC). It is a herbaceous plant native to southern Africa, where it grows on sandy and clayey soils.
