hey guys ive been reading alot about Insulin but im just stuck on a few things.

Q1) i know you inject into your stomach but do you have to inject in a specific part? (Muscle or fat or wherever)

Q2) what does Dextrose mean :s sorry i hear it alot in your threads but i dont know what it means.

Q3) i want to use Insulin at 10ius for the first 4 weeks of my cycle then again at the end of my cycle during pct is this ok?