What you are considering doing -- using over the counter cytomel on your own-- is very dangerous.
You are messing with a very important and powerful part of your endocrine system.......
I strongly suggest you not go down this path.
I'm sorry that the NHS is putting these roadblocks in your path. Here in the USA you could see an endocrinologist right away......different country. Different health system.
I wish things were different.
I realize that this was not the answer you were hoping to hear but it would be unfair to you and unprofessional of me were I provide you with anything less than truthful and honest information.
Surely, you prefer that I tell the truth rather than what you wish to hear. Because it reflects very poorly on me unless you press one of the top three feedback choices, keep this in mind when rating my answer and please do not punish me for being honest. I understand that this may not be easy to hear, and I empathize.
Even though my answer was not quite what you were hoping for, please understand that my priority was to provide you with the most honest information. With that in consideration, I hope that you found my answer useful. Please click the excellent feedback button so that I can receive credit for my efforts.
Dr. Rick MD FACS