Insuhnomimetic activities of Zn(II) complexes (ZnCl(Vc) and Zn(Vc)_2) with vitamin C (VcH) were found in isolated rat adipocytes treated with epinephrme in terms of inhibition of free fatty acid release. Furthermore, the improvement of glucose tolerance for KK-A^y mice model with type 2 diabetes melhtus was observed when ZnCl(Vc) was orally administered for 4 weeks
