Role of Nutritional Support in Idiopathic Male Infertility

Inclusion Criteria: 1. Informed consent form signed; 2. Age: 21-50; 3. Idiopathic male infertility; 4. Idiopathic oligo- and/or astheno- and/or teratozoospermia; 5. Stated availability throughout the study period and a mobile phone Exclusion Criteria: 1. Allergy to any component of the dietary supplement; 2. Known genetic, anatomical, endocrine, inflammatory or traumatic testicular cause of male infertility; 3. Known genetic, anatomical, endocrine, inflammatory or traumatic testicular cause of female infertility; 4. Inflammatory bowel disease; 5. Known moderate to severe disease of any systems; 6. Known or suspected sexually transmitted diseases; 7. Alcohol or drug addiction of any couple counterpart as suspected by investigator; 8. Difficulty to comprehend study requirements as judged by investigator; 9. Use of any investigational product within the previous 3 months before entering the study; 10. Use of any drugs that stimulate or suppress spermatogenesis within previous 3 months