Soy isoflavones are powerful plant substances chemically similar to the female Hormone estrogen; in fact, they are also known as plant estrogens, or phytoestrogens. Their presence in soy foods may help to explain why people in countries where soy is a big part of the diet suffer from relatively few menopausal symptoms such as hot flashes. It may also explain why rates of certain hormone-related cancers are much lower in Asia than they are in many parts of the West
Agnus Castus is a female remedy, supporting the functioning of the female reproductive system and has been used for generations to restore hormonal balance and help make menstrual cycles more regular. It seems to have a balancing effect on female hormones, by acting on the pituitary gland which releases the hormones that regulate the function of your ovaries, this helps to regulate the length and timing of the menstrual cycle, including ovulation, and so improves fertility.
Black cohosh, a member of the buttercup family, is a plant native to North America. It has a history of use for rheumatism (arthritis and muscle pain) but has been used more recently to treat hot flashes, night sweats, vaginal dryness. Black cohosh is commonly used for treatment of symptom relief during and after the menopause (eg, flushes and sweats, joint aches, and headaches).