The present invention relates to relates to methods and products for improving the quality of sperm, methods for treating subjects to improve sperm quality or improve fertility, and use of sperm with improved quality in assisted reproductive technologies, comprising exposing the sperm to BGP-15 and/or a derivative thereof, such as BGP-15, propanolol, bimoclomol, arimoclomal, NG94, iroxanadine, and/or a pharmaceutically acceptable derivative, prodrug, solvate, salt, tautomer, stereoisomer, and/or racemate thereof.
