hey,
I am a type 1 diabetic on two types of insulin as all types ones are

on a long lasting at night and shot acting during the day, so thats four injections at a minimum, i would advise test test test, as annoying and hard work as it is, you can learn how you feel at what level, and gain a better understanding of your own body. I don't know about else but knowing how you feel and how your own body reacts I think is key, you can go by what the nurse and doctors say, but everyone is diffrent
i hope you are getting on ok, if you ever need any advice you can always message ! Happy jabbing !!
xx