During routine medical checkup a SO-year male office executive with sedentary lifestyle was diagnosed to have developed type 2 diabetes mellitus. His fasting and post-meal blood glucose was 130 mg/di...

During routine medical checkup a SO-year male office executive with sedentary lifestyle was diagnosed to have developed type 2 diabetes mellitus. His fasting and post-meal blood glucose was 130 mg/di and 190 mg/di respectively, HbA1 c was 7.8%, BP was 130/82 mm Hg and body mass index was 27 kg/ m2• He was asymptomatic and investigations revealed no end organ damage. He was advised suitable diet, exercise and other lifestyle modifications. (a) Should he be prescribed an antidiabetic medication as well? If so, which drug/ combination of drugs should be selected, and why?