The article studies the influence of a complex of acetyl-L-carnitine and L-carnitine fumarate in combination therapy qualitative and quantitative indicators of sperm in men with various forms pathospermia. The study has shown that such improved performance as morphology, motility and concentration. It turned out that the treatment of complex drugs carnitine series allows you to have a spouse patients natural pregnancyin 29.57 % of cases, which does not exclude the use of drugs containing acetyl-L-carnitine and L-carnitine fumarate in preparing men to assisted reproductive technologies programs.