| Outcome Measures: |
Primary: Fasting glucose, By comparing the level of 4th week, compared to baseline, the 4th week of study|Glycoalbumin, By comparing the level of 4th week, compared to baseline, the 4th week of study|Insulinogenic index, By comparing the level of 4th week, compared to baseline, the 4th week of study|Quantitative insulin sensitivity check index (QUICKI), By comparing the level of 4th week, compared to baseline. QUICKI is derived from fasting blood glucose and insulin level, reflecting insulin sensitivity., the 4th week of study | Secondary: Microbiota composition change, By comparing the level of 4th week, compared to baseline, the 4th week of study|Incretins (GIP), By comparing the level of 4th week, compared to baseline, the 4th week of study|Incretins (GLP-1), By comparing the level of 4th week, compared to baseline, the 4th week of study|Incretins (GLP-2), By comparing the level of 4th week, compared to baseline, the 4th week of study|Lipopolysaccharide (LPS), By comparing the level of 4th week, compared to baseline, the 4th week of study
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