Inclusion criteria:
Regular menstruation 21-35 days
Age 18-30 years
insensitivity to black cohosh and other herbal medicines containing phytoestrogens (soybeans, flax seeds, lentils, mung beans, etc.) According to the person's statement
Not taking any medication to treat dysmenorrhea at the same time as research
Having primary dysmenorrhea (with VAS score ≥ 4)
Not having liver problems according to the person's own statement
not married
Complaining of menstrual symptoms (cramps, headache, abdominal pain, mood disorders, etc.)
Exclusion criteria:
First semester students
Use of other herbal medicines and painkillers.
The occurrence of a stressful event (such as the death of a first-degree family member and the diagnosis of an incurable or incurable disease for a family member during the last three months)
Abuse of tobacco and alcohol
Having any acute or chronic disease (such as epilepsy, cardiovascular, digestive, liver, blood, endocrine)
History of any female disease such as abnormal pelvic anatomy, lack of ovulation, or abnormal pattern of uterine bleeding
Surgery in the last three months
Insensitivity to black cohosh and other herbal medicines containing phytoestrogens (soybeans, flax seeds, lentils, mung beans, etc.)according to the person's statement.
Taking antidepressants (such as serotonin and noradrenaline reuptake inhibitors, antihistamines, barbiturates, narcotics, diazepam, amphetamines, and cocaine)