3 ms·What is this impaired glucose metabolism you refer to? What are it's causes?by Arbalest 5y agoWhat is this impaired glucose metabolism you refer to? What are it's causes?lambdaba 5y agoInsulin resistanceArbalest 5y agoOh so basically somewhere between normal and type 2 diabetiesnradov 5y agoThere are a lot of people who appear normal and even have a hemoglobin A1c level in the normal range but are still insulin resistant. Usually the best way to check is with a glucose tolerance test.