It is an object of the present invention to provide a deodorant or a deodorant composition which has excellent deodorizing performance with respect to sulfurous stench from methyl mercaptan and hydrogen sulfide and the like. It is another object of the present invention to provide a deodorant or a deodorant composition which maintains a deodorizing effect with respect to sulfurous stench and which makes it possible to suppress resin deterioration in the case of being kneaded into a resin, and a deodorizing product containing the same. A deodorant of the present invention contains amorphous copper silicate represented by the following formula [1]: xNa2O·yCuO·SiO2·zH2O [1]wherein, in formula [1], x is a positive number from 0.002 to 0.040, y is a positive number from 0.07 to 0.48, and z is a positive number from 0.02 to 0.30.
