Life Extensions CoffeeGenic Green Coffee Extract contains Chlorogenic acid that has been found in green coffee bean extract has been clinically proven to help in limiting dangerous after-meal glucose surges, but some aging individuals may need that additional support to get healthy glucose control, body weight, and resting metabolic rate. CoffeeGenic Green Coffee Extract with Glucose Control Complex contains 200 mg of CoffeeGenic Green Coffee along with four ingredients that are formulated to be able to help support healthy blood levels that are already within the normal range.