This randomized, double blind, placebo controlled trial, will be conducted to asses the effect of Black seed on quality of life, menopausal symptoms and metabolic syndrome parameters among post menopausal women. Totally, 60 menopausal women aged 45–65 years (at least one year after amenorrhea history) who living in Yasuj are recruited. They shouldn’t have history of induced menopause following chemotherapy, radiotherapy or surgery; diagnosed cancers; take hormones or anti hypertensive, antihyperlipidemic or diabetic drugs; history of uncontrolled hypertension, myocardial infarction, stroke or have undiagnosed malignancies. The participants will be randomly divided to two groups of placebo and intervention. The intervention and control group will receive 2 gr of Black seed and placebo for 3 months respectively. We will measure B/P, Weight, Height, BMI, body composition, TG, Cholesterol, LDL, HDL, FBS, 17 β Stradiol, as well as Green Climacteric Scale and SF 36 before and after intervention.