whats up guys? haven't posted on here for awhile due to my busy schedule..I have a question tho...I have these genotropin cartridges that have 1.13ml of water in them with 13.8mg of powder...i dont have a genotropin pen to use...but i can use a .5ml insulin syringe..My question is how much should i withdraw in my insulin needle to take 5ius a day?