How breast enlargement pills work

As we all know, most women's breast size changes throughout her monthly cycle. This is caused by variations in levels of hormones in the body. These variations in size can be quite significant.
Breast enlargement pills work by substituting plant-based estrogen-like compounds for the body's natural estrogens. The breast has estrogen-receptor sites, which, when activated, create new breast tissue. These estrogens reactivate the mammary glands, prompting them to product new breast tissue. This process occurs naturally during puberty, but sometimes toxic chemicals and pollutants can mimic estrogen and actually block these receptor sites, leading to diminished tissue growth.
Because differences in body chemistry can influence the speed and amount of change, most women don't begin to experience results until 5-8 weeks have passed.
The estrogen-like compounds found in breast enlargement pills are mild and natural - therefore, they are no replacement for hormone replacement therapy, which has much faster and more profound effects (and unfortunately, equally profound side effects).