Well this is the level of "expertise" here in the Netherlands.

710 B12 is considered High (I am still taking B12 since you can't overdose)

Vit D... The GP informed me that 1000 IUs for a couple of weeks would be enough to bring my Vit D level back to normal...

So I managed to twist his arm to get another blood test for Vit D. 5 weeks after starting the supplements, because the MG Neuro will be calling me to see if Vit D has "cured" all my MG symptoms. I go for the blood test on Monday, and hope to have the results a week later.... we shall see.