Hello, I am new on to this site, although am also on Thyroid Healthunlocked.
I have been having B12 injections every 4 weeks at my G.P. surgery (Hydroxocobalamin 1 mg/1ml)
When I first started my levels were 343 (180-900 ng/L). After several injections my level is now 2000. I have heard worrying stories that too much in the blood could indicate Leukemia. Has anyone an opinion on this please?