Do you need to fast before a ft3 blood test? - Thyroid UK

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Do you need to fast before a ft3 blood test?

Jeppy profile image
2 Replies

Hi

It arrived already. I ordered it at 5pm yesterday and has come at one today normal post!!!! How good is that!

I've had a light elevenses, have I to fast overnight before doing it?

Jx

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Jeppy
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Clutter profile image
Clutter

Jeppy,

If you are only checking FT3 there's no need to fast. If you are testing TSH too you should fast and do the blood test early in the morning.

Jeppy profile image
Jeppy in reply to Clutter

Thanks a lot Clutter

(Love the name I could be clutter clutter lol )

Wondering if this testing is enough, will see (no harm done )

Thanks

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