The white willow bark (Cortex Salicis) is a medicinal raw material containing active ingredients: flavonoids, phenolic glycosides, tannins, catechin, ellagic acid and salicylic acid, and minerals. Formulations with willow bark are an analgesic and anti-inflammatory, and by sealing the walls of capillaries, antithrombotic. They are used in the treatment of rheumatic diseases (in herbal blends) with inflammation manifested by raised body temperature and the weak diarrhea. Powder from white willow bark is used for foot hygiene by reducing their sweating. Due to the small thermogenic potential it is used as components of weight loss blends. Herbal preparations containing the bark of the white willow are available at the www.muscle-zone.pl