- Pueraria Mirifica contains the compounds deoxymiroestrol and miroestrol; both have similar effects to the body as estrogen. But, the use of Pueraria Mirifica can cause anemia.
- Saw Palmetto, also known as as serenoa repens, can slow down blood clotting and decreases the efficiency of oral contraceptives.
- Wild Yam contains a great mixture of estrogen from plants such as diosgenin. However, diosgenin can be transformed into estrogen and progesterone in a laboratory only and not inside a woman's body.
- Bovine Ovary Extract stimulates the pituitary gland to produce more prolactin and growth hormone. However, increased prolactin can cause infertility, irregular menstruation, reduced libido and increased risk of stroke.
- Even if it seems safe to use natural breast enhancement pills, there is still very little known fact about their side effects. Therefore, the safety of using them remains questionable.
