The present invention relates to a micro-particle for extending satiety and controlling blood glucose and lipid levels, comprising a core having the protein extract from sweet potato, an active ingredient layer coated on the core, and a protection layer coated over the active ingredient layer as an external layer, wherein the protein extract from sweet potato contains trypsin inhibitor and glycoprotein. The micro-particle comprising a protein extract from sweet potato can effectively extend satiety, control blood glucose and lipid levels and increase metabolism effectively.
