I have a underactive thyroid and I am currently on 125mg Levothyroxine. I keep seeing these T3 and T4 on here but I don't know anything about them.
What is T3 and T4?: I have a underactive thyroid... - Thyroid UK
What is T3 and T4?
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Hi
Levothyroxine is T4. Your body should be taking the T4 and turning it into T3, which is then used by your body.
There is loads of info here:
thyroiduk.org.uk/tuk/about_...
L
x
Thank you. I will have a good look at this information.
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