[Dynseli]

He's suggesting, it comes from other species of (the same genus) Pueraria. (the difference between a lemon and an orange). Usually plants from the same genus have enough similarities, but can have way different amounts of chemicals (even harmful ones).

The way he promoted one product sounded like an advertisement, or it could be what he really thinks.

I have a serious question, does missing a period cause serious long term health problems, or does it extend fertility age by saving an egg? That's also what birth control pills do.