The Circulating Dihydrotestosterone/Testosterone Ratio Is Increased by Gut Microbial 5α-Reductase Activity in Females

    October 2025 in “ EBioMedicine
    Claes Ohlsson, Lei Li, Karin Horkeby, Lina Lawenius, Hannah Colldén, Klara Sjögren, Gabriel Baldanzi, Gunnar Engström, Johan Ärnlöv, Marju Orho‐Melander, Tove Fall, Louise Grahnemo
    Studysummary Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
    Our plain-language summary. Not medical advice or a treatment recommendation. Consult a qualified healthcare professional before changing treatment. Full disclaimer
    Discuss this study in the Community →

    Research cited in this study

    3 / 3 results