Personally, we advocate for using GHK-Cu for skin support
Nearly every medication switch involves a transition dip where the new drug has not reached full therapeutic levels while the old drug is washing out
When the balance between free radicals and antioxidants is tipped too far in the wrong direction, your cellular "machinery" starts to slow down
So, in essence, The worse you are at using a T4 based medication, the better your labs will look for your regular doctor if they are only checking TSH or TSH and T4, which is standard
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