Tag folic acid
Are MTHFR gene mutations associated with a higher chance of developing certain diseases?
MTHFR and Emotional Eating with Tricia Nelson
The Harm That 5mg Folic Acid Can Do For MTHFR Fertility
S2E9: MTHFR Questions
S2E2: Getting the Folic Acid Out of Your Diet.
Folic acid is toxic for MTHFR folks and for everyone else if it's at too high a dose.