Observational PloS one · 2022 Characteristics of the gut microbiota in women with premenstrual symptoms: A cross-sectional study. Takeda T, Yoshimi K, Kai S, et al. ButyricicoccusMegasphaeraParabacteroides PubMed ↗
Journal of microbiology and biotechnology · 2025 A Mechanistic Study of Lactobacillus helveticus HY7801 and Its Extracellular Vesicles in Premenstrual Syndrome: Role of Gut Microbiota and Hormonal Modulation. Kim H, Gwon H, Jeong JW, et al. Lactobacillus helveticus PubMed ↗
Animal study Nutrients · 2024 Lactobacillus helveticus HY7801 Improves Premenstrual Syndrome Symptoms by Regulating Sex Hormones and Inflammatory Cytokines in a Mouse Model of Metoclopramide-Induced Hyperprolactinemia. Kim HJ, Jeong JW, Kim JY, et al. Lactobacillus helveticus PubMed ↗