“In human studies, black cohosh has been found to decrease hot flashes associated with menopause. Unlike conventional estrogen effects on individuals predisposed to breast cancer, black cohosh has been shown in laboratory studies to inhibit cancer cells. Most studies used doses of 20–80 mg twice daily, providing 4–8 mg triterpene glycosides for up to six months. Melatonin—This hormone is produced in the pineal gland that, among other functions, helps sleep. Melatonin levels decline with age and may lead to the sleep disturbances common during menopause. Melatonin has been shown in laboratory studies to inhibit the growth of breast cancer cells. Melatonin acts as an anti-inflammatory and antioxidant in the brain and other tissues like the intestine. Studies show that low melatonin levels increase breast cancer risk in women. So if you are having trouble sleeping consider 3–6 mg of melatonin before bed. It may boost your immune system and help you sleep.”