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 Replying to @brandielorenmakie the MTHFR gene actually has NOTHING to do WITH detoxing, glutathione or vaccines. Also has nothing to do with sugar bugs, sacral dimples, tongue ties and has no The MTHFR Gene and DNA Methylation: A Technical Breakdown Gene Food Amazon.com: MTHFR Gene Methylation Test Kit. 1 on 1 Live Expert Support by Phone 7 Days A Week, MTHFR C677T and MTHFR A1298C Gene Variants for Methylation Analysis. Results in 2 5 Days. Ages 0+ : Meta Analysis of Methylenetetrahydrofolate Reductase (MTHFR) C677T polymorphism and its association with folate and colorectal cancer BMC Cancer Springer Nature Link