I'm hypothyroid and I was feeling tired all the time. So I started to supplement once a day, with 1200mcg of Jarrows Methyl B12 (5000mg tab quartered) a day for about 6 months as well as Jarrows B complex (120mcg Vit B12) as well.
I took a blood test (Myrios).
Vit B12 Result was 1004 pmol/L Range 141 - 489
serum Folate 42.3 nmol/L range 10.4 - 42.4
Is this too high? how long does it take to come down if needs too.