A 35-year-old male presents to your clinic complaining of fatigue, polyuria, polydipsia, nocturia and blurred vision over the last one month. On exam, his BMI was 29 with signs of insulin resistance, His plasma fasting plasma glucose was 180mg/dl and HbA1C was 5.6%. He is interested to discuss the available options to control blood sugar. Which of the following will be the best treatment choice?