I want to add that I know Japan has a lot of NBE success stories and saw on a thread that many of the programs contain PM, Puroui, Whitex, etc. And that many of their programs are similar to the ones here, except that the quality of PM may be different and that theres active placenta used in it. Products from the US don't have active placenta, which may be the factor that is so different.
Here's that thread:
https://www.breastnexus.com/showthread.php?tid=13319&page=5&highlight=japanese+blog