Not eating any plants also works... Much better, actually.
Berberine: One Of The Most Powerful Tools We Have To Regulate Insulin
https://www.zerohedge.com/medical/berberine-one-most-powerful-tools-we-have-regulate-insulin
Not eating any plants also works... Much better, actually.
how does it work?
This npub and website answers the question better than I ever will.