Experts at The Kapiva Academy of Ayurveda have created Dia Free juice for people having pre-diabetes or diabetes. Some users have reported reduction in blood sugar levels within 3 weeks, said Kapiva. The juice offers a blend of 11 herbs like Amla, Karela, Gudmar, Giloy that help maintain blood sugar levels by improving your carbohydrate metabolism, said Dr. Rupali Takale.