Vorgeschlagen werden Zubereitungen zur oralen Aufnahme, enthaltend(a) Milchsäure-1-menthylester der allgemeinen Formel (I),dessen Stereoisomere oder deren Mischungen,(b) mindestens einen Stoff mit bitterem, adstringierendem und/oder metallischem Geschmackseindruck sowie gegebenenfalls(c) weitere Aromastoffe.Ebenfalls offenbart ist die Verwendung von Milchsäure-1-menthylestern der Formel (I) zur Maskierung von unangenehmen Geschmackseindrücken bei Zubereitungen zur oralen Aufnahme.Formulation for oral consumption, comprises lactic acid 1-menthyl ester (I) and/or its stereoisomers; at least one substance (b1) having a bitter, astringent and/or metallic taste impression; and further flavorings (c1) selected from flavorings imparting a taste impression that is milky/creamy and gives a sensation of fullness in the mouth, and/or flavorings imparting a sweet/caramel taste impression, on condition that compound (I) is present in amounts of 0.005-0.1 mg/kg. Formulation for oral consumption, comprises lactic acid 1-menthyl ester of formula (I) and/or its stereoisomers; at least one substance (b1) having a bitter, astringent and/or metallic taste impression; and further flavorings (c1) selected from flavorings imparting a taste impression that is milky/creamy and gives a sensation of fullness in the mouth, and/or flavorings imparting a sweet/caramel taste impression, on condition that compound (I) is present in amounts of 0.005-0.1 mg/kg. An independent claim is included for masking unpleasant taste impressions in formulations for oral consumption, involving adding to the formulations, 0.005-0.1 mg/kg at least one lactic acid 1-menthyl ester (I), and flavorings selected from flavorings imparting a taste impression that is milky/creamy and gives a sensation of fullness in the mouth, and/or flavorings imparting a sweet/caramel taste impression. [Image].