OPTIFAST® GlucoSmart™ A specially formulated meal companion that helps support normal blood glucose levels and reduce early insulin response for people with prediabetes and type 2 diabetes RELATED PRODUCTS OPTIFAST® GlucoSmart™ Glucose Control OPTIFAST® GlucoSmart™ is a powder containing mulberry leaf extract, which has been clinically proven to help maintain normal blood glucose levels after a meal. View product nestle-monitoring-loaded