T3 purchase UK or ABROAD: I am looking at... - Thyroid UK

Thyroid UK

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T3 purchase UK or ABROAD

GJLJ profile image

I am looking at purchasing T3 either from the UK or abroad due to it not being available from Uk doctors unless you have a written letter from the Queen 🙈. Could you please assist with either options please and relevant web sites or contact numbers. Been trying through my doctor for the last 10 years but just keep getting palmed off. Going to take it into my own hands now and purchase my own T3 and have the dosage monitored by a local professional. Please help as I am starting from scratch.

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5 Replies
SlowDragon profile image

Before even considering adding T3 it’s essential to get FULL thyroid and vitamin testing

We need OPTIMAL vitamin levels for levothyroxine and T3 to work

It’s important to see exactly where Ft4 level is to see if you need to reduce levothyroxine dose slightly BEFORE adding T3

Obviously essential to know Ft3 result too BEFORE starting

Have you got recent results you can add

For full Thyroid evaluation you need TSH, FT4 and FT3 plus both TPO and TG thyroid antibodies tested. Also EXTREMELY important to test vitamin D, folate, ferritin and B12

Low vitamin levels are extremely common, especially if you have autoimmune thyroid disease (Hashimoto's) diagnosed by raised Thyroid antibodies

You may need to get full Thyroid testing privately as NHS refuses to test TG antibodies if TPO antibodies are negative

Recommended on here that all thyroid blood tests should ideally be done as early as possible in morning and before eating or drinking anything other than water .

Last dose of Levothyroxine 24 hours prior to blood test. (taking delayed dose immediately after blood draw).

This gives highest TSH, lowest FT4 and most consistent results. (Patient to patient tip, best not mentioned to GP or phlebotomist)

If/when also on T3, make sure to take last third or half of daily dose 8-12 hours prior to test, even if this means adjusting time or splitting of dose day before test

Is this how you do your tests?

Private tests are available as NHS currently rarely tests Ft3 or thyroid antibodies or all relevant vitamins

List of private testing options


Medichecks Thyroid plus ultra vitamin


Medichecks often have special offers, if order on Thursdays

Thriva Thyroid plus vitamins


Blue Horizon Thyroid Premium Gold includes vitamins


GJLJ profile image
GJLJ in reply to SlowDragon

Thank you very much for all of your information. I do have Hashimoto’s and have regular bloods so have full up to date blood work. Currently on 200 mcgs of Levo as well as Cox 2 inhibitors due to mechanical joint probs! This isn’t something I’m taking on lightly. I have spoken to my GP several times re T3, their answer is always to increase my levo as I’m not where I “could” be! After almost 11 years of levo not touching the sides and living a half life I have decided to do my own research and plan ahead so I’m forearmed when the time comes to re-visit my GP. I appreciate all of your info, as with most Hashis patients we could all write a book! Nevertheless, information from other people with similar experiences is always appreciated. I am a phlebotomist so am well aware of my reference ranges and where I’d like to be....let’s hope I can gather enough info from forums Like this to make a Lyn informed decision. Thanks again x

Thanks for your reply, i am just trying to gather info at the moment for when lives return to some kind of normality so I’m forearmed when I can get to see my GP. Thanks again x

SeasideSusie profile image


It's not possible to obtain T3 in the UK without a prescription.

Sourcing T3 from overseas isn't easy at the moment, and if you do find a source then delivery will most certainly be delayed due to the pandemic causing worldwide postal disruption.

As we can't discuss sources of supply on the forum, I will turn off replies to your post and any information can be sent in a private message.

However, members are more likely to share their source when full thyroid/vitamin results are posted. None of us want to be responsible for encouraging someone to take T3 when it's not needed which is why we are cautious and suggest full testing first. SlowDragon has given excellent advice and Medichecks Thyroid Check ULTRAVIT is the best value test at the moment, 25% off with code SPRING25 if you order before midnight on 3rd May.

SlowDragon profile image

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