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    Vitamin D Adequacy Conditions the Prolactin-Suppressive Effect of Metformin in Men Receiving Prolactin-Elevating Medications

    March 2026 in “ Nutrients ”
    Robert Krysiak, Karolina Kowalcze, Giovanni Cangelosi … Bogusław Okopień
    Studysummary This study found that adequate vitamin D status is necessary for metformin to effectively reduce prolactin levels in men with iatrogenic hyperprolactinemia, while improvements in glycemic control were observed across all vitamin D groups.
    Automatically generated from the study's abstract, not written by a person, and not a review of the full paper. Not medical advice or a treatment recommendation. Read the original study, and consult a qualified healthcare professional before changing treatment. Full disclaimer
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    Research cited in this study 1

    1. The Impact of Metformin on Plasma Prolactin Levels in Antipsychotic-Treated Men With Hyperprolactinemia and Early-Onset Androgenic Alopecia Clinical Endocrinology · 2025