Antioxidant Therapy
Antioxidant therapy uses nutrients that protect reproductive cells from damage. The damage comes from unstable molecules, reactive oxygen species (ROS). Damage builds when the body makes more ROS than it can clear. This imbalance is oxidative stress. In the reproductive system, excess oxidative stress can harm sperm DNA and slow sperm movement. It can also lower egg quality and disrupt the endometrium, the uterine lining where a pregnancy implants.12
In men, oxidative stress is one of the best-studied causes of sperm DNA fragmentation, damage to the DNA inside sperm. It is also a cause that can often be changed. Many studies link high sperm DNA fragmentation with lower fertility and a higher chance of miscarriage. Lowering oxidative stress can improve sperm health without surgery or hormones.1
In women, oxidative stress plays a part in the growth of endometriosis and in declining egg quality. It also plays a part in luteal phase dysfunction, a weak second half of the cycle. Antioxidants act on these processes within the cells. Cycle charting can show timing and patterns. These patterns help judge when oxidative stress may be highest.2
The choice of nutrients and amounts depends on the individual. No single standard plan exists. Choices vary with laboratory results, overall health, and the method in use. That decision belongs with the clinician caring for the couple.
Cited in this entry
- The Impact of Oxidative Stress in Male Infertility. https://pmc.ncbi.nlm.nih.gov/articles/PMC8766739/
- Amini MA, Karimi M, Talebi SS, Piri H, Karimi J. The Association of Oxidative Stress and Reactive Oxygen Species Modulator 1 (ROMO1) with Infertility: A Mini Review. Chonnam Med J. 2022. https://pmc.ncbi.nlm.nih.gov/articles/PMC9535111/
This content is for educational purposes only and does not constitute medical advice. Consult an RRM clinician or healthcare provider for guidance specific to your situation.

