Yes 6iu norditropin pen. I am staying on the hgh coming off t4 cause i been getting anxiety lately and went to dr they did bloods and my t4 level was high. So they said that could of caused that so if its high i might not need ,t4 there going to recheck me in a . I know a few people that do hgh without t4 and get great gains. So ill see were my levels are after a month that's why i want to know if my thyroid will come back and how long? Also will there be a crash period like with test?