I cant remember where I first read it, but it is searchable.
-and this is just for the breasts to have an optimal function.
To cure the FBD I had for almost 20 years, fibrocystic breast disease; I had to take over 10 times as much. Took me a year or so, a few revisits after that but easy compared to what was before.
All data within the history of the forum, if you care to really know. Search, read, educate yourself; is my best recommendation.