For HbA1c at Luc vi tri ba groups was 7.85 ± 0.21% initially, reduced to 6.53 ± 0.18%, reduce average level of 1.32%, while in groupHbA1c at Metformin alone was 7.90 ± 0.20% initially, reduced to 6.52 ± 0.15%, reduce average level of 1.38%, this difference between the two groups is not be statistically significant with p > 0.05.