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  1. Methylenetetrahydrofolate reductase - Wikipedia

    Methylenetetrahydrofolate reductase (MTHFR) is the rate-limiting enzyme in the methyl cycle, and it is encoded by the MTHFR gene. [5] Methylenetetrahydrofolate reductase catalyzes the …

  2. MTHFR Gene Variant and Folic Acid Facts | Folic Acid | CDC

    May 27, 2025 · You may have heard that if you have an MTHFR variant, you should avoid folic acid and should take other types of folate, such as 5-MTHF. However, this is not true.

  3. MTHFR mutation: Symptoms, testing, and treatment

    Aug 21, 2025 · Methylenetetrahydrofolate reductase (MTHFR) is an enzyme that breaks down the amino acid homocysteine. If the MTHFR gene that codes for this enzyme mutates, it may …

  4. MTHFR Gene Mutation: Symptoms, Testing, and Treatments

    Feb 25, 2025 · MTHFR is a gene everyone has. Some mutations of the MTHFR gene may be associated with health problems and complications in pregnancy. Learn about determining …

  5. MTHFR Gene Mutations: What You Need to Know - WebMD

    Sep 22, 2024 · MTHFR gene mutation affects folate metabolism, linked to higher risk of cardiovascular issues, blood clots, and certain birth defects. It influences methylation and …

  6. MTHFR Gene Mutations and Disease - Verywell Health

    Nov 10, 2025 · MTHFR gene mutations are linked to many diseases to varying degrees, including heart disease, birth defects, Alzheimer's, and hypothyroidism.

  7. MTHFR is a gene that makes an enzyme called MethyleneTetraHydroFolate Reductase. This enzyme works with a B-vitamin called folate. Together, MTHFR and folate help to reduce the …

  8. MTHFR Gene: Key Facts, Symptoms, and Treatment Options

    The MTHFR gene is essential for processing folate in the body. Mutations in this gene can lead to elevated homocysteine levels, which are linked to various health issues, including …

  9. MTHFR: The Complete Guide to Understanding & Managing MTHFR

    Think of MTHFR as a crucial factory worker in your body’s cellular machinery. Its main job is to convert folate (vitamin B9) from your diet into its active form called methylfolate.

  10. What is methylene tetrahydrofolate reductase (MTHFR)? MTHFR is a gene, not a disease or genetic condition. The MTHFR gene serves many functions. One of its most important …