Can you please explain how you have found out as I have visited my doctor abroad that knows me well for ages and when she saw me she said that she wants me to get my insulin tested and few other things and it turned out I am pre diabetic but it can be easily reversed if I follow a diet. However, I live in the uk so I need to start the test again to see where I am and I will need advice on nutrition. I don’t know how to start this test - do I ask for them ? Never used NHS in 10 years living in the UK - thank you