Feb 24, 2026Menopause and Perimenopause: Supplement Evidence for Hot Flashes, Bone Loss, and Cognitive SymptomsThe menopausal transition accelerates bone loss, cognitive change, sleep disruption, and cardiovascular risk. Supplement evidence varies sharply: isoflavones have modest hot flash data; calcium and vitamin D are well-supported for bone; magnesium helps sleep. Black cohosh is used widely but evidence is mixed.