I'm taking the same product from gen-sci. 1vial is equal to 10 iu, fill the vial with 1ml of bac water, the water they provide is a pain to open. Now you have 10iu's of hgh your syringe is marked 10-100 so is mine, 10 =1iu 20=2iu.
I take 1iu a day and it last's 10 day's. One thing to remember...