Equisetum Arvense TSA Features It plays a role in the process of bone calcification, as silicon plays a key role in facilitating calcium deposition. The plant also has diuretic properties, due to the flavonoids it contains (isoquercetin, kaemferol), which have a beneficial diuretic effect, aided by mineral ions. The plant also has hemostatic properties, due to its ability to activate the fibrinoplastic coagulation system. The astringent effect of the tincture on the genitourinary tract has proven effective in cases of bleeding caused by cystitis, urethritis and prostatitis. Code TSA22