I am 54 and am taking hgh for fatigue ...I'm presently (2 months now) taking a .6 mg Miniquick Genotropin 6 times a week...I've read that 2-4 units a day is recommended...what does 2-4 units mean?....is my .6 miniquick equivalent to "6 units" a day?...or do I need to quadriple it?.