<p>Lactoferrin tablets containing as the active ingredients lactoferrin and lactulose and having a horizontal hardness of at least 4 kg and a vertical hardness of at least 3 kg; and lactoferrin tablets containing as the active ingredients a microbial cell powder of at least one microorganism selected from among actic acid bacteria, lactoferrin and lactulose and having a horizontal hardness of at least 4 kg and a vertical hardness of at least 3 kg. These tablets can be produced by using the conventional tableting apparatuses and yet have high hardness. Thus they do not adhere to the inner wall of the oral cavity and have a favorable taste. Since no excessive tableting pressure is needed in the production process, moreover, these tablets can contain much viable cells of lactic acid bacteria, though they are in the form of rigid tablet.</p>