Lagerstroemia Speciosa (Banaba)

Botanical name: Lagerstroemia speciosa

Family: Lythraceae

Common Name: Banaba

Part used: All parts of Plant

Phytochemicals: Corosolic Acids

Final Product:

Corosolic Acids 1%-2%


  • Roots are used for stomach problems.
  • The leaves are used to heal diabetes and for weight loss.The red-orange leaves have high levels of corosolic acid (interpenoid glycoside) that can lower blood sugar.
  • Corosolic acid may have an influence on diabetes.
  • Banaba also contains concentrations of dietary fiber and minerals such as magnesium and zinc.It helps the body to handle glucose and as such, it's also effective in weight loss.
  • The hypoglycemic (blood sugar lowering) effect is similar to that of insulin (which induces glucose transport from the blood into body cells).
  • Its tea is therapeutic against ailments such as diabetes and kidney and urinary problems. The taste is pleasant and smooth.
  • Banaba leaf preparations have been used as a folk medicine among people with diabetes in the Philippines.
  • Certain constituents, such as corosolic acid, have been found to possess hypoglycemic activity.