Effects of probiotics supplementation on the hormone and body mass index in perimenopausal and postmenopausal women using the standardized diet. A 5-week double-blind, placebo-controlled, and randomized clinical study

I. Szydłowska, A. Marciniak, A. Brodowska, B. Loj, S. Ciećwież, K. Skonieczna-Żydecka, J. Palma, I. Łoniewski, E. Stachowska

Department of Gynecology, Endocrinology and Gynecological Oncology, Pomeranian Medical University in Szczecin, Szczecin, Poland. iwonaszy@wp.pl

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• Pharmacology

OBJECTIVE: The results of pioneering studies indicate that probiotics can alleviate menopausal symptoms (including cardiometabolic dysfunctions) and improve the quality of life of perimenopausal/postmenopausal women. However, the results of randomized control trials are scarce to evaluate whether the administration of probiotics could affect the balance of sex hormones during the menopause period.

PATIENTS AND METHODS: In this randomized, double-blind, and placebo-controlled study, 48 perimenopausal and postmenopausal women received multispecies probiotic Sanprobi Barrier in a dose of 2.5 × 109 (CFU) for five weeks. Dietary guidelines were introduced in both groups simultaneously (~1800 kcal/per day, whole grain, no-wheat meals). The study aimed to assess the variations in follicle-stimulating hormone (FSH), estradiol (E2), cortisol (as the hypothalamic-pituitary-ovarian axis hormone), and the body mass during the intervention.

RESULTS: At the endpoint, FSH level has increased significantly concerning the baseline after the probiotic intake (31.91 vs. 42.00 mIU/ml; p < 0.009). Also, in the placebo group, a strong trend to elevate FSH was observed (22.31 vs. 41.99 mIU/ml; p = 0.055). Body mass has crucially decreased in reference to the baseline in both groups (PRO: 27.90 vs. 26.30 kg/m2, p<0.001; PBO: 25.90 to 24.60 kg/m2, p<0.001).

CONCLUSIONS: Probiotics affect FSH levels in perimenopausal women while simultaneously representing a non-invasive strategy to impact hormonal homeostasis. They could potentially have an impact on cardiometabolic health.

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