As a pensioner who’d had type 2 diabetes for nearly ten years, Nazir Hussain was almost resigned to always feeling exhausted and taking medication for life.
The 67-year-old former postman from Aylesbury, Buckinghamshire, weighed 14st (he is 5ft 8in) and was taking daily doses of metformin and high blood pressure medication after being diagnosed with type 2 diabetes in 2014.
‘I was out of puff just doing the gardening,’ he says. ‘It was miserable.’ Yet, within a year of beginning