Several active ingredients are extracted from centella leaves that are beneficial to the body: they contain flavonoids, phytosterols, mineral salts and tannins but it is mainly the triterpenic acids (madecassic acid, Asian acid) and the triterpene saponins that are used for curative purposes. Several properties are attributed to them, which make gotu kola a medicinal plant with thousand uses. It stimulates venous circulation by improving the elasticity of veins and the reabsorption of interstitial liquids thanks to its phlebotonic and anti-edema properties, improves blood vessel tone making veins less fragile thanks to its vasoactive properties and stimulates collagen production by promoting tissue healing.