Any tips to lower your blood sugar ladies?

Vy
Hello,i went on monday for a 1 hr glucose test and got a result today.The nurse said im a bit high so she scheduled me for a 3 hrs test next wed morning at 8:30.She also said i need to be fasting 8 hrs before the test.Im cant eat or drink anything.Anyways i was wondering if any of you mama can give me some tips on how to lower it down.Thank you.