Evidence supporting the use of: Vitamin E (alpha-tocopheryl succinate)
For the body system: Male Reproductive System
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Vitamin E, particularly in the form of alpha-tocopheryl succinate, has some scientific evidence supporting its role in the male reproductive system. Vitamin E is a potent lipid-soluble antioxidant that protects cell membranes from oxidative damage. In the context of male fertility, oxidative stress is a major factor affecting sperm quality, motility, and overall reproductive health. Several animal studies and limited human clinical trials have demonstrated that supplementation with vitamin E can improve sperm motility and reduce sperm DNA damage, likely due to its antioxidant properties. For example, some randomized controlled trials have shown that vitamin E, alone or in combination with other antioxidants, can improve certain semen parameters and increase pregnancy rates in couples with male factor infertility. However, the evidence is mixed, with some studies showing no significant benefit.
Alpha-tocopheryl succinate is a specific esterified form of vitamin E, known for its stability and potential enhanced bioavailability, though most human studies do not distinguish between forms of vitamin E. The World Health Organization and other authorities acknowledge a potential supportive role for antioxidants in male infertility, but they also note that more robust, large-scale clinical trials are needed to confirm efficacy. Therefore, while there is a scientific rationale and some supportive evidence for the use of vitamin E in supporting male reproductive health, the strength of the evidence is moderate and not universally conclusive.
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Other body systems supported by Vitamin E (alpha-tocopheryl succinate)
BrainCirculatory System
Female Reproductive System
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Male Reproductive System
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Reproductive System
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Testes