857058ca__Support_Your_Weight_Loss_Diet__Mechanism_of_Action
[Weight Loss Nutrient] Green Coffee Bean Extract [Category] Sugar Blocker [Suggested Dosing] 200 to 400 mg/day. [Mechanism of Action] 
A rich source of chlorogenic acid which inhibits the digestive enzyme glucosidase and the sugar producing enzyme glucose-6-phosphase. The result is lower after-meal blood sugar levels.6
The Life Extension Blog: Nutrients that Support Your Weight Loss Diet
Mechanism of Action