Glucose Tolerance Il 120 CapsulesGlucose Tolerance II provides Glucevia, a patented European Ash extract that may contribute to healthy blood sugar levels. Also provides berberine, chromium, milk thistle, resveratrol, and biotin. European Ash (Fraxinus angustifolia Vahl), a tree indigenous to Europe and the Near East and cultivate Glucose Tolerance II provides Glucevia, a patented European Ash extract that may contribute to healthy blood sugar levels. Also provides berberine,