I want to make sure you know, I am not recommending that you or anyone else take Berberine. I just thought you might like to know what the U.S. government has to say about the tests done on it... trust them or not at your own risk.
Nope that one wont link so I dont but what it says is that it is a natural extract found in certain plants. It is unregulated and the dosing varies based on several factors. The effects of long term use have never been studdied.