The zuccarin tablets are recommended to people who want to manage their blood sugar levels after meals the zuccarin tablets are based on a traditional japanese herbal recipe with extract from white mulberry leaves the leaves contain a high content of dnj short for deoxynojirimycin an enzyme which prevents to some extent the conversion of sugars and carbohydrates from the food into glucose the only form which can be absorbed into the blood stream drinking of mulberry leaf tea after meals ha