Momordica Charantia
Commonly called Bitter Melon.
It has properties that act like insulin, which helps bring glucose into the cells for energy.
https://karger.com/ijd/article-abstract/11/3/46/175337/Beneficial-effect-and-mechanism-of-action-of
https://link.springer.com/article/10.1023/B:MCBI.0000028738.95518.90
Possible molecular mechanisms of glucose-lowering activities of Momordica Charantia in diabetes.
https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-2006-961003