Hello, I'm 43 and using 1iu a day for the last 3mnths 5 on 2 off . I will soon be adding 1cc of sost per week to get the full benifit og the hgh and test. T he problem is carpel tunnel and numbness in my fingers, left hand only. I took a week off of the hgh hoping to releve the symtoms, the hgh is jintropin. Any input on this subject would be appreciated.