Uva Ursi (Arctostaphylos uva-ursi), of which a raw material is medical leaf (Folium Uvae-ursi), which is a rich source of active substances: flavonoids, phenolic glycosides, tannins, organic acids, mucus, triterpenes and resins. An important component is arbutin, having a diuretic effect (allowing for the removal of excess fluid out of the body), and anti-bacteria, against bacteria that cause urinary tract infections. It also acts as an astringent, stopping bleeding from damaged blood vessels. In the sports supplementation it is used due to the diuretic potential, it is used in programs to improve the aesthetics of the body and the composition and in certaincweight loss thermogenic supplements, available at www.muscle-zone.pl.
Note: In Poland, bearberry is under partial protection. A cautious use is also recommended and time limits for use, as there may be side effects (symptoms of hydroquinone poisoning- nausea, stomach irritation, anaemia).
Dosage depends on the quality and concentration of raw materials, note the comment regarding the duration of use and dose.