Armour has arrived need help switching - Thyroid UK

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Armour has arrived need help switching

jlo211 profile image
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Hi all, my armour has arrived and I need advice on switching from the synthetic T4. I have read lots of conflicting advice and I have some questions. Do I switch cold turkey ie just stop the Levi and start the armour? If not how should it be done? Do I take my armour in one dose or two doses? Do I need to take the armour on an empty tummy and away from vitamins? Any advice much appreciated! Jlo x

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jlo211
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Clutter profile image
Clutter

Jlo, reduce Levothyroxine by 50mcg for every half grain of NDT you add. Start NDT at half a grain and increase by half grain increments every 2 weeks until on 2 grains. Split 2 x daily when on 1 grain. Hold for 4-6 weeks and have a thyroid blood test to check levels before increasing further.

Take NDT away from food, drink, medicine, supplements etc as you did with Levothyroxine.

jlo211 profile image
jlo211 in reply to Clutter

Thanks clutter, currently on 100/125 mcg Levi on alternate days. Do I drop to 75 or 50 the first day?

Clutter profile image
Clutter in reply to jlo211

Jlo, reduce by 50mcg so your new dose is 75mcg/25mcg.

Glynisrose profile image
Glynisrose

I would agree that you need to start on half a grain and build up but personally I stopped levo 2 weeks before starting NDT simply because levo is T4 alone, a storage hormone that stays in the body for up to 7 weeks. Go by how you FEEL not numbers!! You will probably find your TSH will get suppressed, THIS IS FAIRLY NORMAL and can happen whenever you take any form of thyroxine - yes even levo!! It is not necessarily a bad thing, everyone's body is different and reacts differently. DO NOT let your doctor alter your meds by blood tests alone.

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