Folate 2.0 (2.5 - 19.5) - Taking 5mcg folic acid (Dec 2016)
Vitamin B12 336 (190 - 900)
Have you checked for signs of B12 deficiency, although your B12 isn't at the bottom of the range, it is still too low b12deficiency.info/signs-an... Taking folic acid can mask signs of B12 deficiency so you may need to think back.
If you've had signs then pop over to the Pernicious Anaemia Society forum for further advice healthunlocked.com/pasoc
I have read (but not researched so don't have links) that BCSH, UKNEQAS and NICE guidelines recommend:
"In the presence of discordance between test results and strong clinical features of deficiency, treatment should not be delayed to avoid neurological impairment."
And an extract from the book, "Could it be B12?" by Sally M. Pacholok:
"We believe that the 'normal' serum B12 threshold needs to be raised from 200 pg/ml to at least 450 pg/ml because deficiencies begin to appear in the cerebrospinal fluid below 550".
"For brain and nervous system health and prevention of disease in older adults, serum B12 levels should be maintained near or above 1000 pg/ml."
That's good enough for me and I keep mine around 1000. Sublingual methylcobalamin lozenges are what's needed to supplement B12 yourself along with a good B Complex to balance all the B vitamins.
Vitamin D total 70.2 (50 - 75 suboptimal) - 6000iu vitamin D (Mar 2015)
The recommended level is 100-150nmol/L according to the Vit D Council.
Considering that you've been on 6000iu daily for over 2 years, your level hasn't risen as much as expected. Maybe you have an absorption problem as mentioned in reply to your other thread.
Do you take your D3 with the fattiest meal of the day? D3 is fat soluble and needs fat to be absorbed. Also, there are important cofactors needed when taking D3
D3 aids absorption of calcium from food and K2-MK7 directs the calcium to bones and teeth where it is needed and away from arteries and soft tissues where it can be deposited and cause problems.
D3 and K2 are fat soluble so should be taken with the fattiest meal of the day, D3 four hours away from thyroid meds.
Magnesium comes in different forms, check to see which would suit you best and as it's calming it's best taken in the evening, four hours away from thyroid meds
Check out the other cofactors too.
Ferritin 67 (30 - 400)
MCV 77.8 (80 - 98) down from 81 (80 - 98) post iron infusion - Iron infusion done Feb 2016 for iron anaemia, iron/transferrin/MCV didn't really go up that much
Again, I'm wondering about absorption. What has your GP said? I think this needs looking into. Hopefully SlowDragon will comment either on your other thread or here, she may be able to suggest what tests to ask your doctor to carry out.
Ideally, ferritin should be half way through it's range, although I have seen that 100-130 is the right level for females. It needs to be at least 70 for thyroid hormone to work.