MTHFR Gene Mutations Explained: Symptoms, Risks & Testing Guide What is MTHFR and Why Does It Matter for Your Health MTHFR Support Australia The detox gene (MTHFR) is rendered inactive when your diet is high in meat. Our diet should be 80% plant based or higher. New Year, Same Fatigue? Why Your Methylation Cycle Might Be Blocked dnaPower Methylation: Impact of Toxins and Heavy Metals on Methylation Allosteric inhibition of MTHFR prevents futile SAM cycling and maintains nucleotide pools in one carbon metabolism ScienceDirect