DNA results are in my signature. Which one should I be on, or perhaps both? COMT +/+ says I should have hydroxocobalamin and avoid methylcobalamin, but MTR -/+, MTRR A664A +/+ and MTRR A66G +/+ say I need to take methylcobalamin. What do I do? I am on methylcobalamin but I don't seem to be improving much. Thanks!