Provided are: a deodorizer which has high VOC-adsorbing performance and can exhibit deodorizing properties thereof even when kneaded into a resin; a deodorizing processed product produced using the deodorizer; and a method for producing the deodorizer. The deodorizer according to the present invention is characterized by comprising a zeolite represented by formula [1], wherein the zeolite is produced by producing a zeolite and then heating the resultant zeolite at a temperature of 120 to 250 DEG C. xNa2OAl2O3ySiO2zH2O [1] In formula [1], x represents a positive number of 0.5 to 5.0; y represents a positive number of 80 to 150; and z represents a positive number of 1 to 20.本發明提供VOC的吸附性能高,即使對樹脂捏合加工時也展現消臭性之消臭劑、及使用其之消臭性加工品、以及該消臭劑之製造方法。本發明之消臭劑之特徵為包含下述式[1]所示的沸石,前述沸石係在製造沸石後,於120~250℃之溫度加熱處理而得者,xNa2O‧Al2O3‧ySiO2‧zH2O [1]式[1]中,x為0.5~5.0之正數,y為80~150之正數,z為1~20之正數。