What Are the Signs of MTHFR Mutations? By Vincent Iannelli, MD / June 11, 2018 / autism, blue vein, epigenetics, hemangioma, homocystinuria, medical exemptions, MTHFR, MTHFR mutations, MTHFR polymorhisms, MTHFR signs, nevus simplex, salmon patch, stork bite, sugar bug, tongue-tie, Vaccine Misinformation, vaccine myths Do you know the signs of MTHFR mutations? Share this:FacebookTwitterRedditPrintLinkedInPinterestEmailTumblrWhatsAppLike this:Like Loading...