Dosage advice please

[tootired]

Hello thyroid gurus looking for some advice, currently on 50 mcg of T4 and 37.5 mcg of T3

Just ordered some NDT as my skin/ hair has been suffering felt best when I was on it, wondering if I should start on 2 grains a day? Previously been on much higher doses of T4/T3 and NDT- starting all over again , thanks

[SlowDragon Administrator]

Have you got recent results to add from on this dose?

Recommended on here that all thyroid blood tests should ideally be done as early as possible in morning and fasting. This gives highest TSH, lowest FT4 and most consistent results. (Patient to patient tip, best not mentioned to GP or phlebotomist)

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

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

how do you take your T3? As 2 or 3 split doses ?

Important to have optimal vitamin levels

Previous post showed vitamin D rather low at 66nmol

[tootired in reply to SlowDragon]

Hello I’ve not got my latest blood test results I need to pick them up from the drs but in April this year I had some bloods done

TSH 2.80 mU/L normal range 0.35 -5.00

Free T4 <5.0 pmol/L normal range 9.0-21.00

Total T3 2.1 nmol /L normal range 0.9-2.5

I was only on 50 mcg of T3 at the time (April)and was trying to convince the endo to give me t4 he/she wrote to my dr and said no to T4 I was fine on T3 only- they seemed to think a tiny amount of T4 was going to make me hyper 🧐 i then said if I drop my t3 to 37.5 can I have 50 mcg of T4 which they agreed to.

[tootired in reply to tootired]

Looks like my thyroid is producing practical nothing? Re T4

[tootired in reply to tootired]

Also they didn’t check my vitamins but I’ve just ordered iron, high strength vitamin d, vitamin b12 and zinc

[tootired in reply to tootired]

I take split dose of T3 : 25 mcg on waking then 12.5 mcg at 1 pm ta

[SlowDragon Administrator in reply to tootired]

Assuming you get blood test around 9am

Will need to take last T3 dose around 9pm on the day before blood test

Perhaps splitting daily total into 3 doses

[SlowDragon Administrator in reply to tootired]

Don't understand your endocrinologist at all.

Many people need good levels of FT4 and FT3

Recommended on here that all thyroid blood tests should ideally be done as early as possible in morning and fasting. This gives highest TSH, lowest FT4 and most consistent results. (Patient to patient tip, best not mentioned to GP or phlebotomist)

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

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

Is this how you did this test?

TSH is likely too high

FT4 is extremely low, well below range

Total T3 result not very helpful

You need FT3 tested

Medichecks Thyroid plus ultra vitamin or Blue Horizon Thyroid plus eleven are the most popular choice. DIY finger prick test or option to pay extra for private blood draw. Both companies often have special offers, Medichecks usually have offers on Thursdays, Blue Horizon its more random

Always test vitamin levels BEFORE starting any supplements

Especially iron or vitamin D. These are toxic if you don't need them

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

You can also order test for zinc

[tootired in reply to SlowDragon]

Yes I always fast before a blood test and have the test done as early as possible. Looks like I’ll need to order some tests then, thanks

[Aurealis]

Measurement of free T3 would be useful