FitSpresso Coffee Method-Green Tea Extract: Green tea extract 300 mg is generally regarded as a middle-tier ingredient, even though it is contained in several better fat-burning supplements. It is a nice addition that even the most effective fat burners offer.Green coffee bean extract: Once more potent, green coffee bean extract only helps with weight loss when paired with a diet that restricts calories. Dieters fared better, and many have noted that it significantly simplified calorie management.