Thyroid UK
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Blood Results

Hi, I've just had my 2 monthly TSH blood test and it has come back at 0.01 whilst on 125mcg of levo. My gp is looking to reduce levo however I told him I wasn't feeling any better and he has agreed to leave med's and re test in 2 months. Is it bad to have TSH at 0.01 as my level before this was 4.29 and 5.79, so confused and fed up feeling rubbish :( My ferritin level is 11.....

3 Replies

Josephina, Many of us have suppressed TSH. Mine veers from undetectable to <0.01 to avoid cancer recurrence. GPs and endos worry there is increased risk of atrial fibrillation and osteoporosis when TSH is suppressed. Recent research shows that the risk doesn't increase for low TSH 0.04-0.35 as previously thought.

Symptoms can lag behind good biochemistry by a couple of months so you may be feeling better at your next blood test in 2 months. Leave 24hours been last dose and blood draw and have a fasting, early blood draw as TSH is highest early in the morning and lower after food and drink, other than water.

Reducing dose to 100/125mcg alternate days may be enough to raise TSH from suppressed to low.

Ferritin 11 is very low and will make a person feel rubbish. Supplement iron and take each tablet with 500mg-1,000mg vitamin C to aid absorption and minimise constipation.


Your ferritin level right at the bottom at 11 hence itsa no wonder you feel no better

TSH MUST NOT EVER be used to assess efficacy of medication





Vit D3

all being HALFWAY in their ranges your body simply cannot utilise the levothyroxine and convert it into the T3 your body cells need to function hence the T4 pools in the body keeping you ill

You need iron plus at least 2000mg Vit c 4 hours away from thyroid meds for months until your ferritin is over 70 on the range 6-150

ALWAYS Take a really good multivitamin before bed as hypothyroid trashes vitamin and mineral status in the body

go Gluten free for a months because that too will help and also you may find your gluten sensitive so it needs to be permanant


Thank you so much, now on ferrous glauconite 😊


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