Check out this article on Berberine

I began researching the health benefits of Berberine after my OBGYN suggested it to me, as a part of my treatment plan for managing the PCOS I've been dealing with. Berberine is used to help aid in metabolic regulation and prevention of diabetes, amongst other conditions.

https://wellbeingnutrition.com/blogs/essentials/berberine-uncovered-the-natural-compound-transforming-metabolic-and-gut-health