Hi Pearl girl,
Welcome to NT. Wow your B12 was low. And yep docs are not always up on these things. Anyway we have some really great smart folks here that know alot about B12. Please read or post over in our PN forum or our Vitamin forum. Here are the links
http://neurotalk.psychcentral.com/forum20.html
http://neurotalk.psychcentral.com/forum49.html
IN terms of the B12 keep on top of it. Many of us ere take 1000mcg or more of methyl b12 a day.