21 Aug 2017 --- Japanese ingredient supplier Taiyo has presented a potential solution to the drawbacks of drinking coffee with a new raw coffee bean ingredient, Functional Whole Green Coffee Powder (WGCP). The powder, derived from raw coffee beans using a patented technology, is said to: improve both mental focus and concentration for up to six to eight hours; help to reduce and stabilize blood glucose levels; and be able to act as an appetite suppressant.