About isoflavones
Soy-derived phytoestrogen supplement
Used for
- Marketed for menopausal symptoms such as hot flushes; evidence of benefit is limited.
Usual adult dose
No standard dose is established; products and study doses vary.
Common side effects
- Stomach upset
- Constipation or diarrhoea
- Allergic reactions, especially with soy allergy
Important warnings
- May affect hormone-sensitive conditions; safety with long-term use is uncertain.
- Supplements may vary in ingredients and quality.
Pregnancy
Avoid during pregnancy because safety is not established.
Breastfeeding
Safety during breastfeeding is not established; avoid use unless advised by a clinician.
Interactions
- May interact with tamoxifen or other hormone-sensitive cancer treatments.
- May affect thyroid hormone absorption; separate from levothyroxine and seek professional guidance.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.