Hi there-
The best case scenario here is that you end up feeling like you wasted your time and money on these mysterious "herbal" pills that (according to their own website) are supposed to give you smaller breasts with tighter skin...
The worst case is that they actually cause you harm.
I would advise you to avoid using unregulated herbal medications and supplements in general.
As far as your breasts go, if you are experiencing the symptoms common to women with large breasts, visit a surgeon certified by The American Board of Plastic Surgery for a consultation.
In the long run, you'll have been safer, and will have a real and meaningful improvement in your symptoms and your appearance.
Things that sound too good to be true generally are...