Urolespedase dietary supplement 30 capsules. The extract of the stem and leaves of Lespedeza capitata contains catechins, which have P-vitamin activity, polyphenes, flavonoids isoorientin and lispecapitoside (tonifies, removes excess fluid, helps reduce inflammatory processes), increases diuresis, reduces azotemia, increases the excretion of sodium and, to a lesser extent, potassium, helps increase renal filtration, and accelerates the excretion of nitrogenous wastes in the urine.