An object of the present invention is to provide an agent for suppressing elevation of blood alcohol concentration and a method for suppressing elevation of blood alcohol concentration, the agent and the method enabling prevention of an intoxication state upon drinking and further prevention of hepatic dysfunctions due to drinking such as fatty liver. Provided are an agent for suppressing elevation of blood alcohol concentration, comprising a dextrin as an active ingredient, and a method for suppressing elevation of blood alcohol concentration, comprising, when alcohol is ingested, ingesting 0.5 parts by mass or more of a digestible dextrin and/or an indigestible dextrin relative to 1 part by mass of the ingested alcohol.
