THERAPEUTIC AGENT FOR MALE STERILITY

摘要

Provided is a therapeutic agent for male sterility that is highly effective against male sterility and has few side effects. The therapeutic agent for male sterility contains the active ingredients of a d-aminolevulinic acid represented by the general formula (1), derivatives thereof, or a salt thereof. (1) R2R1NCH2COCH2CH2COR3 (In the formula, R1 and R2 independently represent a hydrogen atom, an alkyl group, an acyl group, an alkoxycarbonyl group, an aryl group, or an aralkyl group; and R3 represents a hydroxy group, an alkoxy group, an acyloxy group, an alkoxycarbonyloxy group, an aryloxy group, an aralkyloxy group, or an amino group.)