Berberine

 

Berberine is a bioactive compound that can be extracted from several different plants, including a group of shrubs called Berberis. Technically, it belongs to a class of compounds called alkaloids. It is yellow in color and has often been used as a dye.
http://ipsnews.net/business/2022/09/08/berberine-reviews-an-ayurvedic-herb-to-reduce-blood-sugar/