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
T3 Day before test
Split T3 as 2 or 3 smaller doses spread across the day with last dose 8-12 hours before test
Could be that you don't have much thyroid left to be destroyed hence the low antibodies?
So this test is giving you a false low for your fT3 if you didn't take your evening dose of T3 as it needs testing 8-12hours after last dose
TSH 3.96 mIU/L (0.27 - 4.2) 93.9%
Free T4 (fT4) 12 pmol/L (12 - 22) 0.0%
Free T3 (fT3) 3.4 pmol/L (3.1 - 6.8) 8.1%
I'd suggest upping your T4 either 12.5 or 25mcg depending on how sensitive you are to it and retest in 8 weeks and then you'll see where your fT3 is after 8-12 hours 🤗
With serum B12 result below 500, (Or active B12 below 70) recommended to be taking a separate B12 supplement
A week later add a separate vitamin B Complex
Then once your serum B12 is over 500 (or Active B12 level has reached 70), you may be able to reduce then stop the B12 and just carry on with the B Complex.
If Vegetarian or vegan likely to need ongoing separate B12 few times a week
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 can be difficult to find at reasonable price, should be around £20-£25. iherb.com often have in stock. Or try 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
In week before blood test, when you stop vitamin B complex, you might want to consider taking a separate folate supplement (eg Jarrow methyl folate 400mcg) and continue separate B12
Post discussing how biotin can affect test results
B12 is low ideally nearer top of range, we generally suggest a good B complex but many need a little extra B12 the sublingual like Nature Provides is handy as you can dose to suit natureprovides.com/collecti...
Vit D you are aiming for 100-150 if you use this calculator you can either take a loading dose and then maintenance or just a raised level for longer... Nature Provides again does one with K2 MK7 which is the better version grassrootshealth.net/projec...
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