Originally Posted by mrsD

Hi there... I am on vacation and this will
be brief.

Make sure he gets a B12 test and that
The results are 400pg/ml or above.
Low b12 can cause nerve damage and
most doctors ignore that factor.

People with the MTHFR mutation don't
Activate it properly and need methyl cobalamin
Form as a supplement.

There is a long thread in the stickies on our
PN forum for details.