Pharmaceutical and food or drink for hyperglycemia improving

4 Mechirukoresuto 7-en-3-ol, 4-methyl ergo strike-7-en-3-ol, and 4-methyl stigmastanol mast 7-ene-3-ol, hyperglycemia improving effect and hemoglobin the compounds with A1c lowering effect, and a pharmaceutical or active ingredients of food or drink for hyperglycemia improvement.