The gut microbiome plays a crucial role in metabolising phytoestrogens—plant-derived compounds found in foods like soy, flaxseeds, and legumes. These compounds can mimic estrogen in the body, potentially alleviating menopausal symptoms and supporting hormonal balance. However, their effectiveness depends on the composition of an individual's gut bacteria. Certain gut microbes are better equipped to convert phytoestrogens into bioactive forms that the body can utilise. A diverse and healthy microbiome enhances this conversion, while an imbalanced microbiome may reduce efficacy. Factors such as diet, antibiotic use, and lifestyle choices can influence gut health and, consequently, the benefits derived from phytoestrogens. Maintaining a balanced microbiome through a fiber-rich diet, probiotics, and prebiotics may optimise the health benefits of phytoestrogens.