Soy and menopause: what to know

Soy contains isoflavones, plant compounds that can interact weakly with oestrogen receptors. Some people notice fewer hot flushes or night sweats after adding soy foods, while others notice no change. Tofu, tempeh, edamame and unsweetened soy milk are food options; concentrated supplements are different and deserve a medication review.

Menopause can also involve mood changes, vaginal dryness, sleep disruption and changes in sexual desire. Soy is not a complete treatment for these concerns, and a new symptom should not be assumed to come from menopause alone.

If you want to try soy, introduce ordinary soy foods as part of balanced meals and track symptoms, sleep and any unwanted effects. Check labels on supplements and tell a clinician or pharmacist about them, especially if you take prescribed medicines or have a history of hormone-sensitive disease. Review the plan if symptoms continue to interfere with daily life.

Arrange medical advice for bleeding after menopause, persistent pelvic pain, a new breast change, or symptoms that are severe, unusual or worsening. Seek prompt help for heavy bleeding, faintness, chest pain or difficulty breathing. Hot flushes and sleep problems can be assessed without assuming soy or menopause is the cause.

Ask whether your symptoms fit menopause, whether a soy food trial is suitable for you, and whether a supplement could interact with your medicines. You can also ask about non-hormonal options and local treatment for vaginal symptoms.