Thyroid UK

Blood Results

Hi I would be grateful for any thoughts on my results.

Test Result Range Units

CRP 0.40 <5.0. mg/L

Ferritin. 86.1. 20-150. ug/L

TSH. H 6.20. 0.27-4.20. mlU/L

T4Total. L 45.1. 64.5-142.0. nmol/L

Free T4. L 8.03. 12-22. pmol/L

Free T3. 3.77. 3.1-6.8. pmol/L

Anti-Thyroidperoxidase Abs H 327.5. <34. klU/L

Anti-Thyroglobulin Abs. H 347. <115. klU/L

Vitamin B12. 397. Deficient<140. pmol/L

Insufficient 140-250

Consider reducing dose >725

Serum Folate. 45.40. 8.83-60.8. nmol/L

4 Replies


You are very under medicated to have TSH 6.20, FT4 below range and FT3 low in range. What dose Levothyroxine were you taking before you switched to Thyroid-S and how much Thyroid-S are you taking?

Thyroid peroxidase antibodies are positive for autoimmune thyroid disease (Hashimoto's). There is no cure for Hashimoto's which causes 90% of hypothyroidism. Treatment is for the low thyroid levels it causes. Many people have found that 100% gluten-free diet is helpful in reducing Hashi flares, symptoms and eventually antibodies.

B12 397 is probably okay. Go to if you have symptoms of B12 deficiency

Folate is good.


Hi thanks for your prompt reply, I was taking 125of levothyroxine 5 days per week and 100 on 2 days. I had remaining symptoms so I changed to NDT from Thiroyd from Thailand, which has been great, hardly any symptoms. The problem being I did not know how or where I was re TSH etc. I'm not on Thyroid S I have increased my NDT to 3 tablets from 2.



2 grains Thiroyd is roughly equivalent to 125mcg Levothyroxine. Perhaps you were under medicated on 125mcg. I would continue with 3 grains Thiroyd for 6-8 weeks and have another thyroid blood test including FT3 before increasing further. Most people taking NDT will feel well when TSH is <1.0 with FT3 5.0-6.8. FT4 will usually be lower than when taking Levothyroxine and sometimes will be below range.


Thanks will do


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