The present invention provides a nicotinamide mononucleotide derivative, or salt thereof, which is a compound represented by general formula (1) (wherein, R1 and R2 respectively and independently represent a hydrogen atom or acyl group having 3 to 30 carbon atoms, the hydrocarbon group bound to the carbonyl carbon of the acyl group is a linear or branched, saturated or unsaturated hydrocarbon group, and at least one of R1 and R2 is the acyl group).
