Inability to make partner pregnant. Can be hormonal or caused by blockage in the reproductive tract. While the suggestions in this section may be helpful in enhancing fertility, any concerns about infertility should be discussed with a health care professional. A healthy diet may help promote fertility in men. Alcohol consumption may lower fertility.
Smoking can lessen sperm quality.
While it is not certain that caffeine intake affects male fertility, a healthier body is more likely to produce healthy sperm. Carnitine appears to be needed by sperm cells for normal functioning. Supplementation appears to increase sperm count. 5 Heart patients should only take Coenzyme Q10 under a health provider's recommendation, as a sudden halt in this supplementation could cause severe heart problems. Preliminary studies show that SAM , taken orally, may increase sperm activity.