Advice on T3 please : Hi I am seeing my private... - Thyroid UK

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Advice on T3 please

Kayakingkim profile image
11 Replies

Hi I am seeing my private endo soon and wanted advice as still have hypo symptoms. I have been diagnosed with central hypothyroidism about 12 months ago. Currently on Levo 75mcg daily x5days Levo 50mcg x2days per week

Recent test results medichecks

TSH 0.04 (0.27-4.2)

Free T3 4.62 (3.1-6.8)

Free T4 20.3 (12-22)

Antibodies fine

Ferritin 53.7 (13-150)

Folate 5.98 (>3.89)

B12 85.1 (37.5-150)

Vit D 56 (50-100)

I am thinking I may need T3 but heard it has more side effects than Levo and I have a sensitivity to many medications. I would welcome any suggestions and advice before my consultation please

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Kayakingkim
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11 Replies
shaws profile image
shawsAdministrator

When I was first diagnosed as being hypothyroid I was given T4 (levothyroxine). It didn't suit my body at all as it gave me awful palpitations.

When I was prescribed a T3/T4 combination I felt a bit better but when I took T3 alone it was magical and I still have it prescribed today. I have no clinical symptoms and I feel well.

Kayakingkim profile image
Kayakingkim in reply toshaws

Thanks Shaws that’s really good to know very reassuring

shaws profile image
shawsAdministrator in reply toKayakingkim

Sometimes - if on thyroid hormone replacements - small increases might lead us to an optimum dose where we feel well and have no symptoms. (we can adjust up or down).

SlowDragon profile image
SlowDragonAdministrator

Was test done early morning and last dose levothyroxine 24 hours before test

Which brand of levothyroxine are you currently taking

Do you always get same brand

How long have you been at this dose levothyroxine

Exactly what vitamin supplements are you taking

Folate is low

Vitamin D….the range is incorrect

range is 75nmol - 250nmol

Improving vitamin D to at least 80nmol

And a daily vitamin B complex to improve low folate

supplementing a good quality daily vitamin B complex, one with folate in (not folic acid) 

This can help keep all B vitamins in balance and will help maintain good B12 levels too

Difference between folate and folic acid 

healthline.com/nutrition/fo...

B vitamins best taken after breakfast

Thorne Basic B recommended vitamin B complex that contains folate, but they are large capsules. (You can tip powder out if can’t swallow capsule) 

Thorne currently difficult to find at reasonable price, should be around £20-£25. iherb.com often have in stock. Or eBay

IMPORTANT......If you are taking vitamin B complex, or any supplements containing biotin, remember to stop these 7 days before ALL BLOOD TESTS , as biotin can falsely affect test results

endo.confex.com/endo/2016en...

endocrinenews.endocrine.org...

In week before blood test, when you stop vitamin B complex, you might want to consider taking a separate methyl folate supplement and separate B12

Look at increasing iron rich foods in your diet to bring ferritin up nearer 100

Retest thyroid levels in another 8-10 weeks

Kayakingkim profile image
Kayakingkim in reply toSlowDragon

hi slow dragon many thanks for your response. Test taken at 9am last dose Levo 24hrs before and stopped b complex 14 days before. Will try supplementing with b12 and folate as suggested leading up to next test. Take Teva Levo and been on this dose for 6 months. Take ferrous sulphate, vit d 3000 , b complex recommended on this site.

SlowDragon profile image
SlowDragonAdministrator in reply toKayakingkim

if you’re self supplementing iron you need full iron panel test every 4-5 months

It’s possible to have low ferritin but high iron 

Medichecks iron panel test 

medichecks.com/products/iro...

Posts discussing why important to do full iron panel test

healthunlocked.com/thyroidu...

healthunlocked.com/thyroidu...

Chicken livers if iron is good, but ferritin low

healthunlocked.com/thyroidu...

Shellfish and Mussels are excellent source of iron 

healthline.com/nutrition/he...

Heme iron v non heme

hsph.harvard.edu/nutritions...

Are you lactose intolerant that you are on Teva

If not, trying different brand might give better results

Kayakingkim profile image
Kayakingkim in reply toSlowDragon

okay will try different brand of Levo I have high iron in blood just above normal range but low ferritin gp monitors this every six months endo consultant also aware. Is there any Levo you recommend?

SlowDragon profile image
SlowDragonAdministrator in reply toKayakingkim

Many people find Levothyroxine brands are not interchangeable.

Most easily available (and often most easily tolerated) are Mercury Pharma or Accord

Mercury Pharma make 25mcg, 50mcg and 100mcg tablets 

Mercury Pharma also boxed as Eltroxin. Both often listed by company name on pharmacy database - Advanz 

Accord only make 50mcg and 100mcg tablets 

Accord is also boxed as Almus via Boots, 50mcg and 100mcg ....but Accord  doesn’t make 25mcg tablets

 Many patients do NOT get on well with Teva brand of Levothyroxine. Teva is lactose free.

Teva contains mannitol as a filler instead of lactose, which seems to be possible cause of problems. Mannitol seems to upset many people, it changes gut biome 

Teva is the only brand that makes 75mcg tablet. 

So if avoiding Teva for 75mcg dose ask for 25mcg to add to 50mcg or just extra 50mcg tablets to cut in half

But for some people (usually if lactose intolerant, Teva is by far the best option)

Aristo (currently 100mcg only) is lactose free and mannitol free. 

March 2023 - Aristo now called Vencamil

healthunlocked.com/thyroidu...

Wockhardt is very well tolerated, but only available in 25mcg tablets. Some people remain on Wockhardt, taking their daily dose as a number of tablets 

 

List of different brands available in U.K.

thyroiduk.org/if-you-are-hy...

Posts that mention Teva

healthunlocked.com/search/p...

Teva poll

healthunlocked.com/thyroidu...

Once you find a brand that suits you, best to make sure to only get that one at each prescription.

Watch out for brand change when dose is increased or at repeat prescription.

Government guidelines for GP in support of patients if you find it difficult/impossible to change brands 

gov.uk/drug-safety-update/l...

If a patient reports persistent symptoms when switching between different levothyroxine tablet formulations, consider consistently prescribing a specific product known to be well tolerated by the patient. 

academic.oup.com/jcem/artic...

Physicians should: 1) alert patients that preparations may be switched at the pharmacy; 2) encourage patients to ask to remain on the same preparation at every pharmacy refill; and 3) make sure patients understand the need to have their TSH retested and the potential for dosing readjusted every time their LT4 preparation is switched (18).

Levothyroxine is an extremely fussy hormone and should always be taken on an empty stomach and then nothing apart from water for at least an hour after

Many people take Levothyroxine soon after waking, but it may be more convenient and perhaps more effective taken at bedtime

verywellhealth.com/best-tim...

markvanderpump.co.uk/blog/p...

No other medication or supplements at same as Levothyroxine, leave at least 2 hour gap.

Some like iron, calcium, magnesium, HRT, omeprazole or vitamin D should be four hours away

(Time gap doesn't apply to Vitamin D mouth spray)

If you normally take levothyroxine at bedtime/in night ...adjust timings as follows prior to blood test

If testing Monday morning, delay Saturday evening dose levothyroxine until Sunday morning. Delay Sunday evening dose levothyroxine until after blood test on Monday morning. Take Monday evening dose levothyroxine as per normal

Similarly if normally splitting your levothyroxine, take whole daily dose 24 hours before test 

Increasing number of members find it smoother/more tolerable to split levothyroxine as two smaller doses, half dose waking, half dose at bedtime. 

REMEMBER.....very important....stop taking any supplements that contain biotin a week before ALL BLOOD TESTS as biotin can falsely affect test results - eg vitamin B complex

Kayakingkim profile image
Kayakingkim in reply toSlowDragon

thanks slowdragon great info

Lalatoot profile image
Lalatoot

You could try splitting your levo dose. Sometimes taking a smaller dose say twice a day helps conversion as they are gentler on the body.

Kayakingkim profile image
Kayakingkim in reply toLalatoot

ok I will try that as felt better when T3 was 5.2 just need it to increase a bit more

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