Inclusion criteria:
Menopausal women over 45 years
Stop menstruation for 12 months or more or less than 12 months with follicle-stimulating hormone
Having hot flashes at least twice a day
Serum FSH more than 40 international units according to laboratory reports
Serum LH more than 30 international units according to laboratory reports
Exclusion criteria:
Known physical and mental illnesses such as depression, diabetes, cardiovascular disease, hypertension, hyperlipidemia, liver disease, blood diseases, cancer, gastrointestinal diseases
Use of hormone therapy, anticoagulants, sedatives, antidepressants, anticonvulsants, alpha-adrenergic agonists such as clonidine
Use plant phytoestrogens such as fennel, soy, black cohosh, flax, primrose oil and vitamin E over the past 8 weeks