“A Caco-2 cell monolayer test indicated that GLY improved the permeability of BER by inhibiting P-glycoprotein.”
“Although GLY alone did not show observable effects, the co-administration of GLY (ig, 50 or 80 mg/kg) could improve the anti-diabetic effects of berberine (ig, 50 mg/kg) in db/db mice in a dose-dependent manner.”