Bioidentical estrogen and progesterone can help women who are going through menopause. These natural hormones can help alleviate moodiness, hot flashes, night sweats, insomnia, low libido, bone loss, and other common menopausal symptoms. Bioidentical hormone replacement may also help low thyroid function, which is common in women of all ages and is a major cause of fatigue, weight gain, depression, and brain fog.