Because of many variables, a blood serum B12 result doesn't tell the story. What for one person is a severely disabling and nearly deadly 300 will be contrast to another's completely healthy and vigorous 200.

For great information, provided by someone who understands the B12 issue, go to Cara's site: http://jccglutenfree.googlepages.com/

Mine is under construction, but I will be happy to answer questions here.

rose