The invention relates to a film coated tablet comprising the followingconstituents: a) at least 50 % by weight of a dried extract of red vineleaves, which is obtainable by extraction of red vine leaves with water anddrying； b) up to 50 % by weight of an excipient consisting essentially of atleast one binder, at least one disintegrant, at least one filler, and alubricant； and c) a tablet film consisting essentially of a film former, aplastiziser, a coating agent and optionally a coloring agent.Furthermore, theinvention relates to an aqueous extract of red vine leaves is obtainable by amethod comprising the steps of: a) collecting red vine leaves at a point oftime when the content in flavonoids has reached an optimum； b) drying andcrushing the leaves； c) cutting the leaves to pieces； d) extracting the leaveswith water at elevated temperatures for 6 to 10 hours； e) concentrating anddrying the obtained extract, andaddition of up to 10 % by weight of a flowregulator during the relating to the final total amount of the resultingextract during the drying process (e).
