Hi I had my b12 done again last week , it came back at 337ng, which I think I low, ferritin was 86 folate 10.8. Heamacroit was low at .364. esr was raised again been like this while, vitimin d was 24.ug,
In June b12 was 100
In November 500 something,
Now February 337.
Had loading doses in June and then 2 injections 12 weeks apart next one due march 12. But I think it should be higher by know,any advise,