Black Cohosh menopause Complex is the only Daytime/Nighttime product formula to relieve many common menopause symptoms you may experience during the day and at night. Daytime Formula features standardized ginseng and green tea to give you daytime energy. Black Cohosh relieves hot flashes and irritability. Nighttime Formula offers theanine and valerian to help you sleep better. Black Cohosh relieves hot flashes and night sweats.