MTHFR lifestyle, MTHFR mutationS2E10: Why Starting Methylfolate Can Cause Symptoms.Most supplements are a piece of cake. You start them and the worst part is swallowing a pill or choking down some kind of liquid concoction. Not so with methylfolate. It can be easy, but it can be a bit… Share with friends:Amy NeuzilDecember 8, 2021