The presence of high levels of free radicals can adversely affect the quality of sperm, impairing its ability to fertilize an egg.30 to 80% of men have elevated free radical levels in their semen; these free radicals attack the sperm, negatively impacting the sperm’s fertilizing efficiency. A recent study found that antioxidant therapy, such as CoQ10 supplements, reversed sperm dysfunction caused by oxidative stress from free radicals. The group of men who took CoQ10 in the study had a significant increase in sperm concentration and sperm motility.
