Why Glutathione Matters for Chemical Sensitivity and MTHFR Variants The detox gene (MTHFR) is rendered inactive when your diet is high in meat. Our diet should be 80% plant based or higher. What is the MTHFR Gene Mutation and Its Role in Health? Meta Analysis of Methylenetetrahydrofolate Reductase (MTHFR) C677T polymorphism and its association with folate and colorectal cancer BMC Cancer Springer Nature Link Who is this MTHFR gene mutation and why is it more common than you think? Up to 60% of the population carries a mutation in the MTHFR gene, which plays a