rct
    2025

    Evaluation of in vivo supplementation of D-aspartic acid, ubiquinol and zinc on semen parameters and serum testosterone in idiopathic male infertility

    GamalEl Din SF, Elkhiat Y, Hussein T, AbdElSalam MA

    Published in Archivio Italiano di Urologia e Andrologia

    Methodology

    Registered controlled clinical study of D-aspartic acid combined with zinc and coenzyme Q10 versus comparator in men with idiopathic infertility, assessing semen parameters and serum testosterone

    Key Findings

    A D-aspartic acid combination was evaluated for semen parameters and testosterone in idiopathic male infertility; effects were modest and confounded by co-ingredients.

    Conclusions

    Fertility-focused use remains exploratory and cannot be attributed to D-aspartic acid alone.

    Limitations

    Multi-ingredient formula; open comparator design; single-centre.

    Supplements Studied

    D-Aspartic Acid
    Amino Acid

    The current study is one of the first to evaluate the in vivo supplementation of D-aspartic acid in idiopathic male infertility.

    Study Details

    Year:2025
    Sample Size:75
    Duration:12 weeks
    Quality Score:6/10

    Disclosures

    Funding

    Not reported

    This information is for educational purposes only. Always consult a healthcare professional before starting any supplement regimen.