Maple syrup

Research by Dr. Keiko Abe of the University of Tokyo has shown that maple syrup significantly improves liver function.

An excerpt from the article 24 facts about maple syrup
It has also been shown that ABA abscisic acid contained in maple syrup stimulates the release of insulin by the pancreas and increases the sensitivity of fat cells. Scientists hope that these findings could be used to synthesize drugs based on maple syrup to help fight various diseases.