Corosolic acid is found in many areas of healthy living, including cosmetic products like creams and lotions, as well as occasionally in health foods. In a supplement form, corosolic acid supports healthy glucose metabolism and blood sugar levels already within the normal range. It is extracted from Lagerstroemia speciosa, which is also known as the banaba plant. Banaba has a long history of medical applications including blood pressure support and diabetes and kidney-related diseases. Today, it’s available in supplement form to make your blood sugar level maintenance even easier.