Check before you startThis one has documented interactions with medication classes where the consequences are serious. If you take any prescription medicine, run it past a pharmacist before starting.
How long to take it
Three cycles to judge effect.
Who it's actually for
Women with PMS or luteal phase concerns, not on hormonal contraception.
Safe upper limit
UnverifiedNo formal limit; 20–40 mg extract daily
Acts on the pituitary and prolactin. Not benign hormonally.
No source attached yet. Treat this as a starting point, not a citation, until reviewed.
Interactions to know about
- Hormonal contraception — Combined pill, mini pill, implant, hormonal IUD
- Hormone therapy — HRT, tamoxifen, testosterone, anti-androgens
- Antipsychotics — Risperidone, olanzapine, quetiapine
Run your full list through the interaction check.
Practical notes
- Can interfere with hormonal contraception and fertility treatment.
- Avoid in pregnancy.